ATC ENVIRONMENTAL INC
S-3, 1996-08-21
TESTING LABORATORIES
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As filed with the Securities and Exchange Commission on August __, 1996
 Registration No. 333-_____

                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549
                               ___________

                                 FORM S-3
                          REGISTRATION STATEMENT
                                  Under
                        The Securities Act of 1933
                               ___________

                          ATC ENVIRONMENTAL INC.
          (Exact name of Registrant as specified in its charter)

        Delaware                   4950                  46-0399408
 (State or jurisdiction     (Primary Standard         (I.R.S. Employer
           of                   Industrial          Identification No.)
    incorporation or       Classification Code
     organization)               Number)

                          ATC Environmental Inc.
                     104 East 25th Street, 10th Floor
                         New York, New York 10010

                 (Address of principal place of business)

                        Morry F. Rubin, President
                          ATC Environmental Inc.
                     104 East 25th Street, 10th Floor
                         New York, New York 10010
                    (212) 353-8280/(212) 598-4283(Fax)

(Name, address, and telephone number of principal executive offices and
 agent for service)
                                Copies to:
                            Steven Morse, Esq.
                            Lester Morse P.C.
                           111 Great Neck Road
                        Great Neck, New York 11021
                             (516) 487-1446
                          (516) 487-1452 (Fax)
Approximate  date  of proposed sale to the public: As soon  as  practicable
after the effective date of this Registration Statement.

If  the  only  securities being registered on this Form are  being  offered
pursuant  to  dividend  or interest reinvestment plans,  please  check  the
following box.  [ ]

If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act
of 1933 check the following box. [ ]

If  any  of the securities being registered on this form are to be offered
on a delayed or continuous basis pursuant to Rule 415  of  the  Securities
Act of  1933,  other  than  securities  offered  only  in connection  with
dividend or interest reinvestment  plans,  check the following box. [X]

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If  this  Form is filed to register additional securities for  an  offering
pursuant  to  Rule  462(b)  under  the Securities  Act,  please  check  the
following box and list the Securities Act registration statement number  of
the earlier effective registration statement for the same offering. [ ]

If   this   Form   is   a  post-effective  amendment  filed   pursuant   to
Rule 462(c) under the Securities Act, check the following box and list  the
Securities  Act  registration statement number  of  the  earlier  effective
registration statement for the same offering. [ ]

If  delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [ ]

Pursuant  to  Rule  429, this Registration Statement  constitutes  a  Post-
Effective  Amendment  to the Registrant's Form S-1 Registration  Statement,
File  No. 33-36387 which relates to 284,803 shares of Common Stock issuable
upon exercise of a like number of Class C Warrants.

Pursuant  to  rule  429, this Registration Statement  constitutes  a  Post-
Effective  Amendment  to the Registrant's Form S-1 Registration  Statement,
File  No. 33-39092 which relates to an additional 285,817 shares of  Common
Stock  issuable  upon  exercise of a like number of Class  C  Common  Stock
Purchase Warrants.


                     CALCULATION OF REGISTRATION FEE
                                                                      
                                           Proposed   Proposed       
                                           maximum    maximum        
                                           offering   aggregate  Amount of
 Title of Securities to be  Amount to be   price per  offering   registration
       registered           registered(1)  unit(2)    price(2)   fee
                                                                     
Common Stock, par value     570,620 shares $13.000    $7,418,060 $2,557.96
$.01 per share                
                                                                      
(1)  Includes  570,620 shares of Common Stock, par value  $.01  per  share,
     which  are  issuable upon exercise of a like number of  publicly  held
     outstanding Class C Common Stock Purchase Warrants.

(2)  Estimated  solely  for  purposes of calculating the  registration  fee
     pursuant to Rule 457(a) under the Securities Act of 1933, as amended.

      The Registrant hereby amends this Registration Statement on such date
or  dates  as  may  be  necessary to delay its  effective  date  until  the
Registrant  shall file a further amendment which specifically  states  that
this Registration Statement shall thereafter become effective in accordance
with  Section 8(a) of the Securities Act of 1933 or until this Registration
Statement  shall  become effective on such date as the  Commission,  acting
pursuant to Section 8(a), may determine.
PAGE
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                          CROSS REFERENCE SHEET
                Pursuant to Item 501(b) of Regulation S-K
        Showing Location in Prospectus of Part I Items of Form S-3


    Item Number of Form S-3               Location or Caption
                                             in Prospectus
 1. Front of the Registration          
    Statement and                      Cover Pages of Registration
    Outside Front Cover Page of        Statement and Prospectus
    Prospectus
                                       
 2. Inside Front and Outside Back      Inside Front and Outside Back
    Cover Pages                        Cover Pages of Prospectus
    of Prospectus
                                       
 3. Summary Information, Risk Factors  
    and Ratio                          The Company; Risk Factors
    of Earnings to Fixed Charges
                                       
 4. Use of Proceeds                    Use of Proceeds
                                       
 5. Determination of Offering Price    Outside Front Cover Page of
                                       Prospectus;
 6. Dilution                           Not applicable
                                       
 7. Selling Security Holders           Not Applicable
                                       
 8. Plan of Distribution               Outside Front Cover Page of
                                       Prospectus;
                                       Plan of Distribution
                                       
 9. Description of Securities to be    Description of Capital Stock
    Registered
                                       
10. Interests of Named Experts and     Legal Matters; Experts
    Counsel
                                       
11. Material Changes                   Recent Developments
  
                                       
12. Incorporation of Certain           
    Information                        Incorporation of Certain
    by Reference                       Information by Reference
                                       
13. Disclosure of Commission Position  
    on                                 Description of Capital Stock
    Indemnification for Securities Act
    Liabilities
PAGE
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Subject to Completion, Dated August__, 1996                 PROSPECTUS
                            570,620 Shares

                             Common Stock

      This Prospectus of ATC Environmental Inc. ("ATC") relates to the
exercise  of 570,620 shares of ATC Common Stock issuable upon exercise
of  a like number of Class C Redeemable Common Stock Purchase Warrants
(the "Class C Warrants" or "Warrants").  Each Class C Warrant entitles
the  holder  to purchase one share of ATC Common Stock at an  exercise
price  of  $10.00  per share until January 11, 1992,  which  date  was
extended   by  the  Board  of  Directors  until  January   11,   1993,
January  11,  1994, September 30, 1994, September 30, 1996  and  which
date  was  later  extended  by the Board until  April  30,  1997.  (No
consideration  was received by ATC to extend the expiration  dates  of
the Warrants.)  ATC has the right to redeem the Class C Warrants at  a
price  of  $.001  per Warrant at any time upon 30 days  prior  written
notice.  The exercise price of the Warrants was arbitrarily determined
by  ATC and bears no relationship to the book value, assets, or  other
recognized criteria of value.  See "Risk Factors" and "Description  of
Capital Stock."

      The  Common Stock is quoted on the Nasdaq National Market  under
the symbol "ATCE." The last reported sale price of the Common Stock on
August 19,  1996  as  reported  by  the  Nasdaq  National  Market, was
$12.9375 per share. See "Price Range of Common Equity."

      For  a  discussion of certain material factors  that  should  be
considered  in connection with an investment in the Common Stock,  see
"Risk Factors" commencing on page 5 hereof.
                             ___________

THESE  SECURITIES  HAVE  NOT  BEEN  APPROVED  OR  DISAPPROVED  BY  THE
SECURITIES  AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
COMMISSION  PASSED UPON THE ACCURACY OR ADEQUACY OF  THIS  PROSPECTUS.
ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

RESIDENTS OF THE STATE OF NEW JERSEY MAY ONLY EXERCISE THEIR  WARRANTS
THROUGH  A BROKER/DEALER REGISTERED IN THE STATE OF NEW JERSEY  OR  IN
RELIANCE  UPON  AN EXEMPTION OR EXCEPTION UNDER N.J.S.A.  (NEW  JERSEY
STATUTES,  ANNOTATED, AS AMENDED) 49:3-47 ET.SEQ.  HOWEVER,  ATC  DOES
NOT INTEND TO PAY BROKER/DEALERS SOLICITATION FEES FOR THE EXERCISE OF
ITS WARRANTS.

RESIDENTS  OF  THE STATE OF MARYLAND MAY ONLY EXERCISE THEIR  WARRANTS
THROUGH  A  BROKER/DEALER REGISTERED IN THE STATE OF  MARYLAND  OR  IN
RELIANCE  UPON AN EXEMPTION OR EXCEPTION UNDER THE ANNOTATED  CODE  OF
MARYLAND, AS AMENDED.

RESIDENTS  OF  THE  STATE OF HAWAII MAY ONLY EXERCISE  THEIR  WARRANTS
THROUGH  A  BROKER/DEALER REGISTERED IN THE STATE  OF  HAWAII,  OR  IN
RELIANCE  UPON  AN  EXEMPTION OR EXCEPTION UNDER  THE  HAWAII  REVISED
STATUTES.

      Security  holders who desire to exercise their  Warrants  should
execute  the  Subscription Form contained in the security  and  submit
same  together  with  any  appropriate  check  made  payable  to  "ATC
Environmental Inc." to the transfer agent, American Stock  Transfer  &
Trust  Co.,  40 Wall Street, New York, New York 10005.  ATC  does  not
intend to pay broker-dealers solicitation fees for the exercise of its
Warrants.  See "Plan of Distribution."

            The date of this Prospectus is ________, 1996
PAGE
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  The following legend should appear in red on the left side of the
  cover page:
  
  "Information  contained  herein  is  subject  to  completion   or
  amendment.  A Registration Statement relating to these securities
  has  been  filed  with  the Securities and  Exchange  Commission.
  These  securities  may  not be sold nor  may  offers  to  buy  be
  accepted  prior  to  the time the Registration Statement  becomes
  effective.  This Prospectus shall not constitute an offer to sell
  or  the  solicitation of an offer to buy nor shall there  by  any
  sale  of  these  securities in any State  in  which  such  offer,
  solicitation  or sale would be unlawful prior to registration  or
  qualification under the securities laws of any such State."
  
                       AVAILABLE INFORMATION
  
        ATC  is  subject to the informational requirements  of  the
  Securities Exchange Act of 1934, as amended (the "Exchange Act"),
  and   in  accordance  therewith  files  periodic  reports,  proxy
  statements,  and  other  information  with  the  Securities   and
  Exchange   Commission  (the  "Commission").    The   Registration
  Statement  (as defined below), of which this Prospectus  forms  a
  part,  as well as reports, proxy statements and other information
  filed by ATC, may be inspected and copied at the public reference
  facilities  maintained by the Commission  at  450  Fifth  Street,
  N.W.,  Washington,  DC  20549 and at  the  Commission's  regional
  offices at 500 West Madison Street, Suite 1400, Chicago, Illinois
  60661-2511 and 7 World Trade Center, New York, NY 10048.   Copies
  of  such  material can be obtained at prescribed rates  from  the
  Public  Reference Section of the Commission at 450 Fifth  Street,
  N.W., Washington, DC 20549.
  
        ATC  has filed with the Commission a Registration Statement
  on  Form  S-3 (herein, together with all amendments and exhibits,
  referred to as the "Registration Statement") under the Securities
  Act  of 1933, as amended (the "Securities Act"), with respect  to
  the Common Stock being offered pursuant to this Prospectus.  This
  Prospectus does not contain all the information set forth in  the
  Registration  Statement, certain parts of which  are  omitted  in
  accordance with the rules and regulations of the Commission.  The
  Registration Statement may be inspected and copies at the  public
  reference facilities maintained by the Commission at the  address
  set  forth  in  the  preceding paragraph.   Statements  contained
  herein  concerning  the  provisions  of  any  documents  are  not
  necessarily complete and, in each instance, reference is made  to
  the copy of such document filed as an exhibit to the Registration
  Statement  or  otherwise filed with the  Commission.   Each  such
  statement is qualified in its entirety by such reference.
PAGE
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       INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

      The  following  documents filed  with  the  Securities  and
Exchange   Commission  (the  "Commission")  (File  No.   1-10583)
pursuant to the Securities Exchange Act of 1934, as amended  (the
"Exchange Act"), are incorporated herein by reference:

      1.    The Company's Annual Report on Form 10-K, as amended,
for the fiscal year ended February 29, 1996,

      2.   The Company's Form 8-K dated May 24, 1996, as amended,
relating to certain recent acquisitions; and

      3.    The Company's Form 10-Q for the quarter ended May 31,
1996.

     All documents filed by ATC after the date of this Prospectus
pursuant  to Sections 13(a), 13(c), 14 and 15(d) of the  Exchange
Act,  prior  to  the filing of a post-effective  amendment  which
indicates that all Common Stock offered hereby has been  sold  or
which  deregisters  such stock then remaining  unsold,  shall  be
deemed  to be incorporated herein by reference and to be  a  part
hereof  from the date of such documents.  Any statement contained
in  a  document  incorporated or deemed  to  be  incorporated  by
reference herein shall be deemed to be modified or superseded for
purposes  of  this  Prospectus to the  extent  that  a  statement
contained  herein  or  in any other subsequently  filed  document
which also is or is deemed to be incorporated by reference herein
modifies  or  supersedes such statement.  Any such statements  as
modified or superseded shall be deemed, except as so modified  or
superseded, to constitute a part of this Prospectus.

      ATC  will  provide without charge to each person, including
any  beneficial  owner,  to whom a copy  of  this  Prospectus  is
delivered, upon written or oral request of such person, a copy of
any  or all of the documents referred to above which have or  may
be   incorporated  by  reference in this Prospectus  (other  than
certain  exhibits  to  such documents unless  such  exhibits  are
specifically incorporated by reference into the information  that
the Prospectus incorporates).  Requests for such documents may be
made by writing ATC, 104 East 25th Street, Tenth Floor, New York,
NY   10010 (Attention: Shareholder Relations) or by calling (212)
353-8280.
                          ___________
                                2
PAGE
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                          THE COMPANY


      ATC  Environmental  Inc.  (the "Company"  or  "ATC")  is  a
specialized provider of technical and project management services
to  a  large,  diverse client base of Fortune  500  corporations,
other  businesses  and federal, state and local  government.  The
Company's  technical  and  project  management  services  consist
primarily   of  environmental  consulting  and  engineering   and
information  technology consulting services offered to  national,
regional and local clients. The Company has grown in recent years
through  internal  expansion  and  through  the  acquisition   of
businesses   primarily  in  the  environmental  engineering   and
consulting  industry.   At June 30, 1996,  the  Company  operated
through 60 branch offices in 30 states.

       ATC's   environmental  technical  and  project  management
services  include  industrial hygiene  consulting,  environmental
site management, environmental risk management, health and safety
consulting  and management information systems for  comprehensive
environmental  risk  assessment  and  management.   The   Company
operates   in-house  testing  laboratories   that   support   its
environmental services.  The Company has developed  offerings  in
several  growing niche environmental markets within its areas  of
specialization,    including   lead-based    paint    management,
occupational safety and industrial hygiene consulting, indoor air
quality consulting and environmental software.

      ATC's  information  technology  consulting  services  group
provides   high-level  programming,  systems  analysis,   project
management,   information  technology  consulting   and   related
computer  services, including web site development. The level  of
involvement of the Company's consultants ranges from meeting  the
client's staffing and specific programming needs to comprehensive
management   of  information  solutions,  outsourcing   and   the
implementation of leading-edge information technologies.

            ATC's   growth  strategy  is  focused  on   strategic
acquisitions  of  information technology  consulting  businesses,
acquisitions of environmental consulting businesses  and  through
internal  growth. The Company intends to continue to  expand  its
information  technology  consulting  business  through  strategic
acquisitions of businesses that increase its geographic  presence
and  have capabilities in niche outsourcing markets. The  Company
believes   that  it  can  significantly  improve  the   operating
performance of acquired businesses through the integration of the
businesses into ATC's existing offices and operations and through
emphasis   on   basic  business  management  such   as   employee
utilization, credit and collections management and profit  center
accountability. As a result, the Company targets both  profitable
and  under-performing  businesses. The Company  intends  to  grow
internally  through the development of existing  service  markets
and    through   expansion   into   additional   niche    service
specializations that the Company believes have the  potential  to
grow more rapidly than the overall market.

                                3
PAGE
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     Unless otherwise indicted, all references herein to "ATC" or
the  "Company" refer to ATC Environmental Inc., its  subsidiaries
and  predecessors.  The Company's principal executive  office  is
located at 104 East 25th Street, Tenth Floor, New York, New  York
10010 and its telephone number is (212) 353-8280.

                          The Offering



Common Stock Offered by the Company                 570,620 shares
                                                  
Common Stock Outstanding Before                    
  the Offering                                    7,786,049 shares (1)
                                                  
Common Stock to be Outstanding after the          
  Offering                                        8,356,669 shares (2)
                                                  
Use of Proceeds                                   To      expand     the
                                                  Company's   operations
                                                  through   acquisitions
                                                  and  internal  growth;
                                                  to   reduce  the  debt
                                                  outstanding under  the
                                                  Company's    revolving
                                                  credit  facility;  and
                                                  for   general  working
                                                  capital purposes.
                                                  
                                                  
Nasdaq National Market Symbol                     "ATCE"

___________

(1)   Does not include the following: (a) 570,620 shares reserved
for  issuance  under  outstanding Class C Common  Stock  Purchase
Warrants (see "Description of Capital Stock"); (b) Existing Stock
Option  Plans covering 781,750 shares reserved for issuance  upon
exercise stock options granted or to be granted pursuant to  such
Plans  ; (c) 50,000 shares reserved for issuance outside  of  the
Company's Stock Option Plans; and (d) 490,500 shares reserved for
issuance  upon  exercise  of stock purchase  warrants  issued  in
exchange  for previously outstanding stock purchase  warrants  of
Aurora  Environmental Inc. ("Aurora") pursuant to the  merger  of
Aurora into ATC.

(2)  Assumes the exercise of all Class C Warrants.

                                4
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                          RISK FACTORS

      In  evaluating  an  investment in the  Common  Stock  being
offered hereby, investors should consider carefully, among  other
things,  the  following  risk  factors,  as  well  as  the  other
information  contained  in  this  Prospectus  and  the  documents
incorporated  herein  by  reference.   This  Prospectus  contains
forward-looking statements which involve risks and uncertainties.
The  Company's actual results may differ significantly  from  the
results  discussed  in the forward-looking  statements.   Factors
that  might cause such a difference include, but are not  limited
to, those discussed in "Risk Factors."


Growth and Acquisition Risks

      One  of  the Company's primary strategies is to pursue  the
acquisition of other companies  or assets that either  complement
or  expand  its  existing business.  The  Company  completed  one
acquisition  in fiscal 1994, three acquisitions in  fiscal  1995,
and  two  acquisitions in fiscal 1996, (excluding a  merger  with
Aurora Environmental Inc., which at the time of the merger  owned
approximately  57%  of ATC and had no other  business  operations
except  those conducted through ATC and its subsidiaries) and  to
date  two acquisitions in fiscal 1997.  The Company has also  had
preliminary  acquisition discussions with or  has  evaluated  the
potential acquisition of numerous other companies over  the  past
several  years.  The Company is unable to predict the  likelihood
of  a material acquisition being completed in the future.  If the
Company  proceeds with an acquisition for cash, the  Company  may
use  a  portion or all of the proceeds the Company receives  from
the  exercise  of  Warrants to consummate such transaction.   See
"Use of Proceeds."  The Company may also seek to finance any such
acquisition through additional debt or equity financings.

       The   Company  anticipates  that  one  or  more  potential
acquisition   opportunities,  including  those  that   would   be
material, may become available in the near future.  If  and  when
appropriate  acquisition  opportunities  become  available,   the
Company  intends to pursue them actively.  Although  the  Company
has successfully completed several acquisitions, there can be  no
assurance  that the Company will be able to identify, acquire  or
profitably manage additional companies or successfully  integrate
such   additional   companies  into  ATC's   operations   without
substantial  costs, delays or other problems. In addition,  there
can  be  no  assurance  that  any  companies  acquired  will   be
profitable at the time of their acquisition or will achieve sales
and   profitability   that   justify  the   investment   therein.
Acquisitions  may  involve a number of special  risks,  including
adverse  effects  on  the Company's reported  operating  results,
diversion of management's attention, dependence on retention  and
hiring  of  key  personnel, risks associated  with  unanticipated
problems  or  legal  liabilities  and  amortization  of  acquired
intangible  assets, some or all of which could  have  a  material
adverse   effect  on  the  Company's  operations  and   financial

                                5
PAGE
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performance.  The expansion of the Company's operations,  whether
through  acquisitions or internal growth, may  place  substantial
burdens  on  the  Company's management  resources  and  financial
controls.  There is no assurance that the increasing  burdens  on
the  Company's  management resources and financial controls  will
not  have an adverse effect on the Company's operations. See "Use
of Proceeds."

Risks   Associated  with  Expansion  of  Information   Consulting
Services

      The Company intends to significantly expand its presence as
a  provider  of information technology consulting services,  both
through  acquisition  and  through internal  growth.   Since  the
Company's  management  has  limited experience  in  acquiring  or
managing   information  technology  consulting   services,   such
acquisitions  are  likely to subject the  Company  to  additional
acquisition  risks and there can be no assurance  that  any  such
acquisition  will  be  successful  in  enhancing  the   Company's
business.   In  particular, effective May 28, 1996,  the  Company
purchased   certain   assets   and  assumed   certain   specified
liabilities   of  3D  Information  Services,  Inc.   ("3D"),   an
information  services  company  providing  technical  information
system  consulting  services in all phases of information  system
design service and system programming services to help clients in
building  new  computer systems and modifying  existing  computer
systems.   There  can be no assurance that the  acquisition  will
prove  successful in enhancing the Company's business,  that  the
Company will be able to successfully integrate such business into
is  existing business, or that the Company will be able to manage
its growth, if any, successfully.

     The Company's success in the information consulting services
markets will depend in part on its ability to develop information
consulting solutions which keep pace with the continuing  changes
in   information   processing   technology,   evolving   industry
standards,  and  changing client preferences.  There  can  be  no
assurance that the Company will be successful in addressing these
developments in a timely manner or that, if it does address them,
the Company will be successful in the marketplace.  The Company's
delay  or  failure  to address these developments  could  have  a
material  adverse  effect  on the Company's  business,  financial
condition  and results of operations.  There can be no  assurance
that products or technologies developed by third parties will not
render the Company's services noncompetitive or obsolete.

Potential Liability and Insurance

     The Company is engaged in a wide range of advisory services,
from  lead-based paint risk management and industrial hygiene  to
health  and  safety training programs. Due to the nature  of  the
Company's  services,  ATC is exposed to  a  significant  risk  of
professional liability for environmental damage, property damage,
personal injury and economic loss which may substantially  exceed
the  fees  derived from such services. ATC currently maintains  a
"claims  made" professional liability insurance policy, including

                                6
PAGE
<PAGE>
contractor's pollution liability coverage, for claims with a  per
claim  and  aggregate limit of $10,000,000 and  a  deductible  of
$250,000,  although  increased limits have  been  obtained  on  a
specific  endorsement  basis  to meet  the  needs  of  particular
clients or contracts. The Company's policy covers both errors and
omissions.  A  "claims made" policy only insures  against  claims
filed  during the period in which the policy is in  effect.   The
Company  also  carries general liability insurance of  $1,000,000
with  a $9,000,000 umbrella.  Although the Company believes  that
its current level of insurance coverage is adequate to protect it
from  the  type  and  level of liability  exposure  that  it  can
reasonably  expect  to encounter during its  ordinary  course  of
business,  the  coverage would most likely  be  inadequate  if  a
catastrophic event occurred for which the Company was found to be
liable.  The  relatively low dollar amount of  the  policy  limit
currently  maintained,  the  possible  future  unavailability  or
modification  of  this insurance or any significant  increase  in
insurance  rates  could have a material adverse effect  on  ATC's
operations.  Further,  because  clients  may  require  that   ATC
maintain  liability insurance, the possible future unavailability
of such insurance could adversely affect ATC's ability to compete
effectively.  In the event the Company expands its services  into
new  markets, no assurance can be given that the Company will  be
able  to  obtain  insurance coverage for such activities  or,  if
insurance  is obtained, that the dollar amount of any liabilities
incurred in connection with the performance of such services will
not exceed policy limits.

Changing Regulatory Environment

      The  growth of the environmental consulting and engineering
services industry has been largely attributed to the increase  in
environmental  regulation and the response  of  governmental  and
commercial entities and financial institutions to public  concern
with  environmentally  contaminated facilities.  The  demand  for
environmental consulting and engineering services  has  been,  in
part,  the  result of facility owners or operators attempting  to
comply with or avoid liability under environmental regulations at
the federal, state or local levels. Because of the burden imposed
with  respect to complying with such regulations, various  groups
have  sought  to  relax or repeal certain forms of  environmental
regulation.  There can be no assurance that such regulation  will
not  be curtailed in the future. While the Company believes  that
the demand for its services is also attributable to factors other
than  regulatory  compliance, there  can  be  no  assurance  that
changes  in environmental laws and regulations would not  have  a
material adverse effect on the Company's business.

Potential Environmental Liability

      The  Company's operations include advising clients  on  the
handling,  storage  and  disposal of  hazardous  material,  toxic
wastes and other pollutants and the remediation of contamination.
These  services may expose the Company's employees and others  to
dangerous  elements  and may involve a significant  risk  to  the
                                7
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<PAGE>
Company  for liability for environmental damage, personal injury,
property  damage  and  fines  and  costs  imposed  by  regulatory
agencies.  Claims  may  be  asserted against  the  Company  under
federal   and   state  statutes  and  regulations,  common   law,
contractual indemnification agreements or otherwise. There can be
no assurance that the Company will not be subject to claims which
could  materially  and  adversely affect the  operations  of  the
Company.

Attraction and Retention of Professional Personnel

      The  Company's  ability  to attract  and  retain  qualified
engineers,  scientists, and other professionals,  either  through
direct  hiring  or  acquisition of  other  firms  employing  such
professionals,  will be an important factor  in  determining  the
Company's  future success.  There is significant competition  for
employees  with  the  skills required  to  perform  the  services
offered  by  the  Company.  There can be no  assurance  that  the
Company  will be successful in attracting a sufficient number  of
highly  skilled  employees in the future,  or  that  it  will  be
successful in training, retaining and motivating employees.   The
Company's   inability  to  attract,  train  and  retain   skilled
employees  or  the  Company's  employees'  inability  to  achieve
expected levels of performance could impair the Company's ability
to  adequately manage and complete its existing projects  and  to
bid  for  or  obtain new projects, which could  have  an  adverse
effect on the Company's business, financial condition and results
of operations.

Fixed-Price Contracts and Other Project Risks

      Through  the three months ended May 31, 1996, a substantial
portion  of the Company's revenue was generated on a fixed-price,
fixed-delivery-schedule (``fixed-price'') basis, rather than on a
time  and  materials basis.  The Company's failure to  accurately
estimate the resources required for a fixed-price project or  its
failure  to  complete  its contractual obligations  in  a  manner
consistent  with  the  project plan upon  which  its  fixed-price
contract  was based could adversely affect the Company's  results
of  operations  and could have a material adverse effect  on  the
Company's  business and financial condition.  In  the  past,  the
Company  has  been  required to commit  unanticipated  additional
resources to complete certain projects, which negatively affected
the  profitability generated on such projects, and has  found  it
necessary  to  revise project plans during the  project,  and  to
change  project  managers  to ensure projects  are  completed  on
schedule.  The Company may experience similar situations  in  the
future.   Failure to anticipate such needs could have a  material
adverse effect on the Company's business, financial condition and
results of operations.  In addition, the Company may establish  a
price before the design specifications are finalized, which could
result  in  a  fixed  price that turns out  to  be  too  low  and
therefore  adversely  affects the Company's  business,  financial
condition  and results of operations.  The Company has undertaken
and  may  in  the future undertake projects in which the  Company
guarantees    performance    based   upon    defined    operating
                                8
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<PAGE>
specifications  or  guaranteed  delivery  dates.   Unsatisfactory
performance  or  unanticipated difficulties  in  completing  such
projects may result in client dissatisfaction and a reduction  in
payment  to, or payment of damages by, the Company, any of  which
could  have a material adverse effect on the Company's  business,
financial condition and results of operations.

Competition

       The  environmental engineering and information  technology
consulting  industries in which the Company operates are  subject
to  intense  competition. In addition to the thousands  of  small
environmental consulting and testing firms operating  nationally,
ATC  competes with several national environmental engineering and
consulting  firms  including  Law Engineering,  Inc.,  The  Earth
Technology  Corporation  (a  subsidiary  of  Tyco  International,
Inc.),  Dames & Moore, Inc. and Professional Service  Industries,
Inc.  In  the  information  technology  consulting  market,   ATC
competes  with many small and medium-sized information technology
firms  as  well as large temporary staffing companies,  including
The   Olsten   Corporation,   Corestaff,   Inc.   and   Accustaff
Incorporated  among  others and large systems  consulting  firms.
Many  of  ATC's present and future competitors may  have  greater
financial, technical and personnel resources than ATC. It is  not
possible  to  predict the extent of competition  which  ATC  will
encounter in the near future as the environmental engineering and
information technology consulting services industries continue to
mature and consolidate.

Variability of Quarterly Operating Results; Seasonality

      The  Company's revenue and operating results may  fluctuate
from  quarter to quarter based on a number of factors,  including
the  number, size and scope of projects in which the  Company  is
engaged, the contractual terms and degree of completion  of  such
projects,  any  delays  incurred in connection  with  a  project,
employee hiring and utilization rates, the adequacy of provisions
for  losses,  the accuracy of estimates of resources required  to
complete  ongoing projects and general economic  conditions.   In
addition, the timing of revenue is difficult to forecast  because
the  Company's sales cycle is relatively long.  A high percentage
of  the Company's operating expenses, particularly personnel  and
rent,  are relatively fixed in advance of any particular quarter.
For  example, while the number of professional staff the  Company
employees  may  be  adjusted  to reflect  active  projects,  such
adjustments take time and the Company must maintain a  sufficient
number of senior professionals to oversee existing clients and to
focus   on  securing  new  client  engagements.   As  a   result,
unanticipated  variations  in  the  number  or  progress   toward
completion  of the Company's projects or in employee  utilization
rates  may  cause significant variations in operating results  in
any particular quarter and could result in adverse changes to the
Company's business, financial condition and results of operation.
Seasonal  factors  such  as weather-related  shutdowns  in  major
markets, vacation days, total business days in a quarter, or  the
business  practices of clients such as deferring  commitments  on
new  projects until after the end of the calendar or the client's

                                9
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<PAGE>
fiscal  year could require the Company to maintain under-utilized
employees  and could therefore have a material adverse effect  on
the  Company's  business,  financial  condition  and  results  of
operations.   Any shortfall in revenue or earnings from  expected
levels  or  other  failure  to  meet expectations  of  securities
analysts or the market in general regarding results of operations
could  have  an immediate and significant adverse effect  on  the
market   price  of  the  Company's  Common  Stock.    Given   the
possibility  of  such  fluctuations, the  Company  believes  that
comparisons  of its results of operations for preceding  quarters
are  not  necessarily meaningful and that such  results  for  one
quarter  should  not  be relied upon as an indication  of  future
performance.

                        USE OF PROCEEDS

      The  net proceeds to the Company from the exercise  of  all
570,620 Class C Warrants, of which no assurances can be given  in
this  regard, are estimated to be approximately $5,670,000  after
deducting  estimated offering expenses payable by the Company  of
approximately $36,000.

      The  Company  may  utilize all or any portion  of  the  net
proceeds  of  this offering to reduce its debt outstanding  under
its   credit  facilities.  At  June  30,  1996,  $20,000,000  was
outstanding  under  such facilities. It is anticipated  that  any
remaining  net  proceeds of this offering  will  be  utilized  to
expand the Company's operations through strategic acquisitions of
companies  with complementary services, products or technologies,
as  well  as  through internal expansion. In  addition,  the  net
proceeds  of this offering will be available for general  working
capital purposes.

     The Company is actively exploring acquisition opportunities,
has  identified  a  number of companies which it  might  wish  to
acquire  and  has  engaged in certain preliminary  due  diligence
activities.  These activities have not resulted in any  contract,
understanding or arrangement for an acquisition as of the date of
this  Prospectus.  Because  all  of  the  net  proceeds  will  be
available  for  acquisitions,  internal  expansion  and   general
working  capital purposes, the Company's Board of Directors  will
have  broad  discretion with respect to the application  of  such
proceeds.  The Company may not be able to consummate acquisitions
or   identify  and  obtain  projects  that  meet  the   Company's
requirements.

      Pending  the  application  of such  proceeds,  the  Company
intends  to  invest  the net proceeds of this  offering  in  bank
deposits  and short-term, investment grade securities,  including
government obligations and money market instruments.

                                10
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<PAGE>
                      RECENT DEVELOPMENTS


     American Testing and Engineering Corporation - Effective May
24,  1996,  ATC  purchased certain assets  and  assumed   certain
liabilities  of  American  Testing  and  Engineering  Corporation
("ATEC"),   a  national  environmental  consulting  firm.    ATEC
provides   environmental  consulting  and  engineering   services
including  risk  assessments,  compliance  audits,  environmental
remediation   consulting,   geotechnical,   materials    testing,
industrial  hygiene  and  analytical  services  through  a  large
network  of  branch  and regional offices.  For  its  year  ended
December  31, 1995, ATEC had revenues of $85,020,000  and  a  net
loss  of  ($1,820,000).  The acquisition was accounted for  as  a
purchase.   ATC executed an agreement to lease substantially  all
of the sellers equipment and executed several sublease agreements
for  premises  leased by ATEC.  ATC also obtained non-competition
agreements with ATEC, a non-acquired subsidiary, and the majority
shareholder of ATEC.  The purchase price consideration  consisted
of  $9,000,000 of cash paid at closing and property and  facility
lease  payments and non-compete obligations of $6,001,000 payable
during  the first year following the purchase.  The Company  also
assumed   liability   for   ATEC's   bank   debt,   approximately
$10,750,000,  its  accounts payable, and certain  other  recorded
liabilities.   The Company has the right to offset a  portion  of
the purchase price to the extent that accounts receivable are not
collected or other specified conditions are not met.  The Company
is   contingently   liable  to  ATEC  for   additional   purchase
consideration up to $10,750,000 if certain net revenue levels are
achieved  and certain other conditions are met.  This  contingent
consideration,  if  fully  earned,  would  be  paid  as  follows;
$3,883,333  in fiscal 1998, $3,873,333 in fiscal 1999, $1,293,334
in fiscal 2000 and $1,700,000 in fiscal 2002.

      The Company paid ATEC's bank debt and a portion of the cash
paid  at  closing from proceeds from a $20,000,000 bridge  credit
facility with Chemical Bank and Atlantic Bank of New York.  Under
the  terms of the credit agreement, the Company may borrow up  to
the  amount  of  the facility, with interest payable  monthly  at
1.75% above the adjusted Eurodollar rate (7.18% at May 24, 1996).
Amounts borrowed under this facility are due September 20,  1996.
The  Company  is  in  the process of negotiating  a  longer  term
agreement with the banks prior to the maturity date of the credit
agreement.

      3D Information Services, Inc. - Effective May 28, 1996, ATC
purchased   certain   assets   and  assumed   certain   specified
liabilities of 3D Information Services, Inc. ("3D"), a New Jersey
based    information   services   company   providing   technical
information   system  consulting  services  in  all   phases   of
information   system   design,   development,   maintenance   and
management in client server and mainframe based environments. Its
clients   include  major  companies  in  the  telecommunications,
financial  services and pharmaceutical industries.   3D  reported
revenues and net income of approximately $10,360,000 and $85,000,
respectively,  for  its  year  ended  December  31,  1995.    The
                                11
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<PAGE>
acquisition was accounted for as a purchase.  Consideration  paid
consisted of $3,000,000 of cash at closing and a note payable for
$2,500,000  payable in three annual payments plus  interest.   In
addition,   ATC  assumed  certain  liabilities  of  approximately
$190,000.   A three year non-compete agreement with the  majority
stockholder was part of this transaction.

      Hill  International Inc. Environmental  Subsidiaries  -  On
November  10,  1995,  ATC purchased certain  assets  and  assumed
certain   liabilities  of  the  subsidiary  companies   at   Hill
International,  Inc. that provided environmental  consulting  and
engineering services (collectively the "Hill Businesses").  These
services  include  asbestos management,  industrial  hygiene  and
indoor   air  quality  consulting,  environmental  auditing   and
permitting,  environmental  regulatory  compliance,   water   and
wastewater  engineering,  solid waste  and  landfill  management,
hazardous  waste  management and analytical laboratory  services.
The  Hill Businesses operated from facilities located in New York
City, Boston and Willingboro, New Jersey. The Boston and New York
offices have been integrated with ATC's existing operations,  and
ATC will benefit from other cost-saving measures taken, including
the  elimination of certain employees previously  with  the  Hill
Businesses.

     Applied Geosciences, Inc. - Effective February 29, 1996, ATC
purchased  certain  assets  and assumed  certain  liabilities  of
Applied   Geosciences,  Inc.  ("AGI").   AGI  services   included
environmental  and hazardous waste site assessments,  remediation
design,  air  quality  management, asbestos services,  litigation
support  and engineering geology through its offices  located  in
San Diego, Tustin, and San Jose, California.

Common Stock Offering

     Effective October 1995, the Company sold 1,970,000 shares of
common  stock  at  an  offering price of  $12.00  per  share  and
received  $21,554,461  net  of  underwriting  and  other  related
expenses. The Company used $5,500,000 to repay bank debt and used
the   remainder  to  expand  the  Company's  operations   through
acquisitions and internal growth and for general working  capital
purposes.

                                12
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<PAGE>
Merger of Aurora into ATC

      Effective  June 29, 1995, ATC and its then  parent,  Aurora
were merged pursuant to an agreement approved by the majority  of
shareholders   of  each  company,  with  ATC  as  the   surviving
corporation  (the "Aurora Merger"). Prior to the  Aurora  Merger,
Aurora  was  a holding company which owned approximately  57%  of
ATC's  outstanding  Common Stock and had substantially  no  other
assets. Under the terms of the merger, each outstanding share  of
Aurora  Common stock was exchanged for .545 shares of ATC  Common
Stock.  ATC  issued  3,341,356 shares  of  ATC  Common  Stock  in
exchange  for  6,131,104  shares of Aurora's  common  stock,  and
issued  options  and  warrants entitling the holders  thereof  to
purchase  up to 604,950 shares of ATC Common Stock upon  exercise
in  replacement of previously outstanding options and warrants to
purchase Aurora's common stock. ATC common shares held by  Aurora
of  3,258,000  were  canceled. Actual common  shares  outstanding
increased by 83,356 shares. As a result of the Aurora Merger, ATC
utilized  Aurora's net operating loss carryforward to reduce  its
taxable  income and accordingly recorded a one-time reduction  in
income tax expense of approximately $350,000 ($.05 per share)  in
fiscal 1996.

Continuing Litigation

With  ATC's  significant   growth,  the Company is now exposed to
additional involvement in litigation of a routine nature  arising
from  the  Company's  performance of services and its contractual
and business relationships entered into in the ordinary course of
business.  With the exception of the First Fidelity Bank v.  Hill
International, INC. litigation described in greater detail in the
Company's Forms 10(Q) and 10(K) which are incorporated herein  by
reference,  no currently  pending  or  threatened  litigation  is
expected by management to have a material effect on the Company's
operations or financial conditions


                                13
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<PAGE>
                           MANAGEMENT

     The following table sets forth certain information regarding
the Company's directors, executive officers and a key employee.

      Name                     Age      Position

     Officers and Directors:

     George Rubin               68   Chairman of the Board and
                                     Secretary; Director

     Morry F. Rubin             36   President, Chief Executive
                                     Officer, Treasurer; Director

     Nicholas J. Malino         45   Senior Vice President,
                                     Financial
                                     and General Operations

     Christopher P. Vincze      34   Senior Vice President,
                                     Financial
                                     and General Operations

     Donald W. Beck             37   Senior Vice President

     John J. (Jeff) Goodwin     47   Vice President of
                                     Information Services

     Wayne A. Crosby            42   Chief Financial Officer

     Richard L. Pruitt          55   Vice President, Principal
                                     Accounting Officer; Director

     Richard S. Greenberg,
     Esq.                       46   Director

     Julia S. Heckman           46   Director



     Key Employee:

     John J. Smith, Esq.        45   General Counsel


       The   business   experience,  principal  occupations   and
employment,  as well as the periods of service, of  each  of  the
directors,  executive officers and a key employee of the  Company
during at least the last five years are set forth below.

      George  Rubin has been Chairman of the Board of  ATC  since
1988.   From  1961  to  1987,  Mr.  Rubin  served  as  President,
Treasurer and a director of Staff Builders, Inc.  Staff  Builders

                                14
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<PAGE>
Inc., was a publicly held corporation engaged in the business  of
providing temporary personnel primarily in the health care  field
operating  through  approximately 100 offices and  with  revenues
over  $100  million.  Since December 1986, Mr. Rubin has  been  a
principal  stockholder,  executive  officer  and  a  director  of
National  Diversified services, Inc., a publicly held corporation
which  completed a public offering in December 1986 and currently
has  no business operations.  George Rubin is the father of Morry
F. Rubin.

      Morry F. Rubin has been President, Chief Executive Officer,
Treasurer and a director of ATC since 1988.  Mr. Rubin  was  also
President,  Chief Executive Officer and Treasurer of Aurora  from
May  1985  to  June  1995,  and was a  director  of  Aurora  from
September  1983 to June 1995. Since 1986, Mr. Rubin  has  been  a
principal  stockholder and from 1986 to July 1995, Mr. Rubin  was
President and a director of National Diversified services,  Inc.,
a publicly held corporation, which completed a public offering in
December  1986  and currently has no business  operations.   From
1981  to  1987, Mr. Rubin was employed in sales and as a director
of acquisitions for Staff Builders, Inc., a publicly held company
engaged in providing temporary personnel primarily in the  health
care field.  Morry F. Rubin is the son of George Rubin.

     Nicholas J. Malino has been Senior Vice President, Financial
and General Operations of ATC, since July 1993 and an employee of
ATC,  since  October 1992, and is in charge of ATC's  acquisition
strategy.   Mr.  Malino has over fourteen years of experience  in
managing professional service organizations.  From February  1991
to  September 1993, Mr. Malino was the New York Regional  Manager
for   Kemron   Inc.,   a   hazardous  waste  consulting   company
headquartered in McLean, Virginia.  From August 1989  to  January
1991,  he was the Operations Manager for the New York City branch
of Professional Service Industries, Inc.

      Christopher  P.  Vincze  has been  Senior  Vice  President,
Financial  and  General  Operations of ATC  since  July  1993,  a
regional manager of ATC since July 1991 and Vice President  of  a
subsidiary of ATC since 1992.  Mr. Vincze is in charge  of  ATC's
sales  and  marketing.  Mr. Vincze joined Dennison Environmental,
Inc.  in  1984  as  an industrial hygienist and  served  as  Vice
President of Marketing and Operations from 1987 to July 1991.

      Donald W. Beck has been Senior Vice President of ATC  since
April  1990 and Vice President since January 1988.  Mr.  Beck  is
responsible  for managing the operations of certain ATC  offices.
Mr.  Beck also served as a director of ATC Laboratories, Inc.,  a
predecessor  company  of ATC, from November  1985  until  January
1988,  President of ATC Laboratories, Inc. from  May  1986  until
January 1988 and as Vice President of ATC Laboratories, Inc. from
November  1985  until May 1986.  Mr. Beck has  been  a  full-time
employee  of ATC (and formerly ATC Laboratories, Inc.) since  May
1982.

      John J. (Jeff) Goodwin has been President and a director of
ATC  InSys  Technology  Inc., a subsidiary of  ATC  Environmental
Inc.,  established  to provide Information Technology  consulting

                                15
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<PAGE>
services,  since  the  company was  formed  in  May  1996.   From
September 1994 until May 1996, Mr. Goodwin served as President of
the  Contest  Systems Division of ATC, which was  established  to
assist    clients   in   using   state-of-the-art   client/server
technologies  for  risk  management and  decision  support.   His
responsibilities  in  this  position  included  development   and
marketing  of  specialized  software, the  Contest  Environmental
Management  System, to assist clients in managing  facility-based
environmental hazards, design and implementation of  an  Intranet
system  to  improve  communications  among  ATC's  offices,   and
direction   of  ATC's  strategies  to  establish  an  information
technology  consulting  practice.   Prior  to  joining  ATC,   he
directed  a  national  data processing  consulting  practice  for
Datronics Inc. from December 1991 until August 1994.  From  April
1980  until  October 1991, Mr. Goodwin was employed  by  Ernst  &
Young LLP, an international professional services firm, where  he
was admitted as a partner in 1984.  In this capacity, Mr. Goodwin
directed  a  public sector and environmental services  consulting
practice,  a specialized practice providing services  related  to
the design and implementation of decision support systems, and as
a  partner  in  Ernst  &  Young's general Information  Technology
consulting practice.

      Wayne  A.  Crosby has been Chief Financial Officer  of  ATC
since  July 1995.  Prior to joining ATC, Mr. Crosby was the Chief
Financial Officer of BSE Management, Inc. from 1991 to  1993  and
Chief Financial Officer of Compex systems, Inc. from 1986 through
1990.   Mr.  Crosby  is  a certified public  accountant  and  was
employed by Deloitte Haskins & Sells for eight years.

      Richard  L.  Pruitt  is  a  Vice President,  the  Principal
Accounting Officer and a director of ATC.  Mr. Pruitt has  served
as  Vice  President  of ATC since September  1990,  as  Principal
Accounting  Officer of ATC since April 1988 and as a director  of
ATC since January 1988.  Mr. Pruitt served as Principal Financial
Officer  of  ATC from September 1989 to April 1992 and  from  May
1993  to July 1995.  Mr. Pruitt served as the Principal Financial
Officer  and a director of Aurora from May 1985 to June 1995  and
served as Financial Manager of Aurora from February 1982.

      Richard S. Greenberg, Esq. has been a director of ATC since
July   1995.    Mr.  Greenberg  has  been  a  director   of   the
Environmental Management Consulting Services Croup at  Coopers  &
Lybrand  since October 1989.  Mr. Greenberg has over 20 years  of
experience  in the areas of environmental management  consulting,
environmental litigation support and legislative policy analysis.

      Julia  S.  Heckman has been a director of ATC since  August
1995.   Mrs. Heckman has been a Managing director with  Rodman  &
Renshaw, Inc.'s Investment Banking Group since April 1995 and had
been a Managing Director with Mabon securities Corp.'s Investment
Banking  Group  since  1991.  Prior to joining  Mabon  Securities
Corp.,  Mrs.  Heckman was a Managing Director with  Paine  Webber
Group  Inc's Corporate Finance Group.  Mrs. Heckman serves  as  a
member  of  the  Company's  Board of  Directors  pursuant  to  an

                                16
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<PAGE>
Underwriting  Agreement  dated as of  October  10,  1995  between
Rodman & Renshaw, Inc. and the Company.

      John  J. Smith, Esq. has been General Counsel since  August
1989  and  served as a Vice President of ATC from September  1990
through December 1993.  Prior to joining ATC, from 1986 to  1989,
Mr.  Smith  was  the Secretary of the South Dakota Department  of
Water and Natural Resources, a cabinet level position responsible
for  managing  all  of  the  State's  environmental  and  natural
resources development programs.

      The  Board  of  Directors has recently appointed  an  Audit
Committee  and  a  Compensation  Committee  consisting  of  three
directors  including Morry F. Rubin and Richard S. Greenberg  and
Julia  S.  Heckman.   The Audit Committee is  responsible,  among
other  things, for approving and transactions between the Company
and  any of its directors, officers or affiliates.  Since  August
1995,  the  Compensation  Committee is  responsible  for  setting
compensation  of  the executive officers of the Company  and  for
granting any further options to purchase Common Stock.

     All directors of ATC will hold offices until the next annual
stockholders' meeting and until the election and qualification of
their successors.  Officers hold their respective positions until
their  successors are duly qualified or until they resign or  are
removed by the Board of Directors.

                      PLAN OF DISTRIBUTION

      Security  holders  who  desire to exercise  their  Warrants
should  execute the Subscription Form contained in  the  security
and  submit same together with any appropriate check made payable
to "ATC Environmental Inc." to the transfer agent, American Stock
Transfer  & Trust Co., 40 Wall Street, New York, New York  10005.
ATC  does not intend to pay broker-dealers solicitation fees  for
the exercise of its Warrants.

                                17
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<PAGE>
                  DESCRIPTION OF CAPITAL STOCK

Common Stock

      The  authorized capital stock of ATC consists of 20,000,000
shares  of  Common  Stock, $.01 par value each.   The  shares  of
Common  Stock:  (i) have equal ratable rights to  dividends  from
funds  legally available therefore, when, as and if  declared  by
the Board of Directors of ATC; (ii) are entitled to share ratably
in all of the assets of ATC available for distribution to holders
of  Common Stock upon liquidation, dissolution or winding  up  of
the  affairs  of ATC; (iii) do not have pre-emptive, subscription
or  conversion rights and there are no redemption or sinking fund
provisions applicable thereto; and (iv) are entitled to one  non-
cumulative  vote per share on all matters upon which Stockholders
may  vote at all meetings of Stockholders.  All shares of  Common
Stock  now outstanding are fully paid and non-assessable and  all
shares  of  Common Stock which are the subject of this  offering,
when issued, will be fully paid and non-assessable.

Class C Warrants

      Each  Class  C Warrant entitles the holder to purchase  one
share  of  Common Stock at an exercise price of $10.00 per  share
until  April 30, 1997.  ATC has the right to redeem the  Class  C
Warrants  at  a price of $.001 per Class C Warrant upon  30  days
prior written notice.  The holders of the Class C Warrants do not
have any of the rights or privileges of stockholders of ATC prior
to  the exercise of warrants.  The exercise price of the Class  C
Warrants and the number of shares issuable upon exercise  of  the
Class  C  Warrants  are  subject to anti-dilution  adjustment  to
protect  against  stock  dividends,  stock  splits,  mergers  and
recapitalizations.  In accordance with the terms of the  Class  C
Warrants,  ATC  is required to maintain a current  and  effective
registration  of  the securities issuable upon  exercise  of  the
Class C Warrants.

      Although  the foregoing brief description of  the  Warrants
contains  the information ATC deems necessary to make an informed
decision,  it  is qualified in its entirety by reference  to  the
terms  of  the  Warrant Agreement and Warrant  Certificates,  the
forms  of  which have been filed as exhibits to the  Registration
Statement of which this Prospectus is a part.

     ATC must have a current and effective registration statement
on  file with the Securities and Exchange Commission in order for
a  Warrant  holder  to  be  able to exercise  the  Warrants.   In
accordance with the terms of the  Warrants, ATC will be  required
to  file  for, and endeavor to secure, such current and effective
registration  of  the securities issuable upon  exercise  of  the
Warrants.    Various   state   securities   laws   relating    to
qualification of securities (or an exemption thereof) for sale in
such states may also be applicable.  Necessarily there can be  no
assurance  that  ATC will, at all times during the  life  of  the
Warrants,  be  able  to secure or maintain such  registration  or
qualification;  and  in the event it is  unable  to  do  so,  the

                                18
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<PAGE>
Warrants will not be exercisable and may be valueless. If ATC  is
unable to qualify the securities underlying the Warrants for sale
in  particular states, Warrant holders in those states will  have
no choice but to sell their Warrants or let them expire.

Delaware Law

       Section  203  of  the  Delaware  General  Corporation  Law
prohibits  a publicly-held Delaware corporation from engaging  in
"business  combination" with an "interested  stockholder"  for  a
period of three years after the date of the transaction in  which
the  person became an interested stockholder, unless the business
combination  is  approved in a prescribed  manner.   A  "business
combination" includes mergers, asset sales and other transactions
resulting  in  a  financial  benefit  to  the  stockholder.    An
"interested   stockholder"  is  a  person  who,   together   with
affiliates and associates, owns (or within three years, did  own)
15% or more of the corporation's voting stock.

Indemnification

      As permitted by the Delaware General Corporation Law, ATC's
Certificate of Incorporation provides that a director of ATC will
not  be personally liable to ATC or its Stockholders for monetary
damages  for breach of the fiduciary duty of care as a  director,
except  under  certain  circumstances  including  breach  of  the
director's  duty  of  loyalty to ATC or its Stockholders  or  any
transaction from which the director derived an improper  personal
benefit.

      ATC's  by-laws  provide  for the indemnification  of  ATC's
officers  and  directors  to  the  fullest  extent  permitted  by
Delaware  law.  In this respect, ATC entered into indemnification
agreements with its officers and directors to hold them  harmless
and  to indemnify each person from and against all fines, amounts
paid  in  settlements  and  expenses, including  attorneys'  fees
incurred  as  a  result of or in connection with any  threatened,
pending  or completed action, suit or proceeding, whether  civil,
criminal  or  administrative or investigative, by reason  of  the
fact  that  the person was a director and/or officer  of  ATC  or
served  any  other corporation in any capacity at the request  of
ATC, in the manner and to the extent permitted by law.

      ATC  has  been  advised  that it is  the  position  of  the
Securities and Exchange Commission that insofar as the  foregoing
provisions  may  be  invoked to disclaim  liability  for  damages
arising  under  the  Securities Laws, that  such  provisions  are
against public policy as expressed in the Securities Laws and are
therefore unenforceable.

Transfer Agent and Exchange Agent

      American Stock Transfer & Trust Co., New York, NY is acting
as transfer agent and warrant agent for ATC's securities.

                                19
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<PAGE>
      Security  holders  who  desire to exercise  their  Warrants
should  execute the Subscription Form contained in  the  security
and  submit same together with any appropriate check made payable
to "ATC Environmental Inc." to the transfer agent, American Stock
Transfer  & Trust Co., 40 Wall Street, New York, New York  10005.
ATC  does not intend to pay broker-dealers solicitation fees  for
the exercise of its Warrants.  See "Plan of Distribution."

                         LEGAL MATTERS

      The  validity of the issuance of the shares of Common Stock
offered by this Prospectus will be passed upon for the Company by
Lester  Morse,  P.C.,  Great  Neck,  New  York.   Prior  to  this
offering, Lester Morse P.C. and members of the firm own of record
and  beneficially  less  than 2% of ATC's outstanding  shares  of
Common Stock.

                            EXPERTS

      The financial statements of ATC as of February 29, 1996 and
February  28, 1995 and for each of the three years in the  period
ended  February  29,  1996,  which  have  been  incorporated   by
reference,   have  been  audited  by  Deloitte  &   Touche   LLP,
independent  auditors,  as  stated  in  their  report  which   is
incorporated herein by reference, and has been so incorporated in
reliance  upon the report of such firm given upon their authority
as experts in accounting and auditing.

     The financial statements of 3D Information Services, Inc. as
of  December 31, 1995 and for the year ended December  31,  1995,
which  have been incorporated by reference, have been audited  by
Deloitte  Touche  LLP, independent auditors, as stated  in  their
report which is incorporated herein by reference, and has been so
incorporated in reliance upon the report of such firm given  upon
their authority as experts in accounting and auditing.

     The financial statements of American Testing and Engineering
Corporation as of December 31, 1995 and for each of the two years
in  the period ended December 31, 1995 and 1994 and for the three
months ended December 31, 1993 and year ended September 30, 1993,
which  have  been  incorporated herein by  reference,  have  been
audited  by  Coopers & Lybrand L.L.P., independent  auditors,  as
stated in their report which is incorporated herein by reference,
and have been so incorporated in reliance upon the report of such
firm  given  upon  their authority as experts in  accounting  and
auditing.

                                20
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<PAGE>

                            PART II
             Information Not Required in Prospectus



Item 14:  Other Expenses of Issuance and Distribution

      The estimated expenses in connection with this offering are
as follows:

                       AMOUNT TO BE PAID



     SEC Registration Fee               $ 2,607.14

     Legal Fees                          10,000.00

     Accounting Fees                     10,000.00

     Miscellaneous                       13,392.86
                                        ----------
          Total                         $36,000.00
                                        ==========

Item 15:  INDEMNIFICATION OF DIRECTORS AND OFFICERS

      The  Company's  Certificate  of  Incorporation  contains  a
provision  which, in substance, eliminates the personal liability
of the directors to the Company and its stockholders for monetary
damages  for  breaches of their fiduciary duties as directors  to
the  fullest extent permitted by Delaware law. By virtue of  this
provision,  under current Delaware law a director of the  Company
will not be personally liable for monetary damages for breach  of
his  fiduciary duty, except for liability for (a) breach  of  his
duty  of loyalty to the Company or to its stockholders, (b)  acts
or  omissions  not  in  good  faith or that  involve  intentional
misconduct or a knowing violation of law, (c) dividends or  stock
repurchases or redemptions that are unlawful under Delaware  laws
and  (d)  any  transaction  from which he  receives  an  improper
personal  benefit. This provision pertains only  to  breaches  of
duty  by  directors as directors and not in any  other  corporate
capacity,  such  as  officers,  and  limits  liability  only  for
breaches of fiduciary duties under Delaware corporate law and not
for violations of other laws such as the federal securities laws.
As  a result of the inclusion of such provision, stockholders may
be  unable  to  recover  monetary damages against  directors  for
actions  taken  by  them  that  constitute  negligence  or  gross
negligence  or  that are in violation of their fiduciary  duties,
although  it  may  be  possible to  obtain  injunctive  or  other
equitable  relief with respect to such actions. The inclusion  of
this provision in the Company's Certificate of Incorporation  may
have   the  effect  of  reducing  the  likelihood  of  derivative
litigation  against  directors,  and  may  discourage  or   deter
stockholders  or  Management  from  bringing  a  lawsuit  against
directors for breach of their duty of care, even though  such  an

                                II-1
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<PAGE>
action,  if  successful,  might  otherwise  have  benefitted  the
Company and its stockholders.

      The  General Corporation Law of Delaware provides generally
that a corporation may indemnify any person who was or is a party
to or is threatened to be made a party to any threatened, pending
or completed action, suit or proceeding, whether civil, criminal,
administrative, or investigative in nature to procure a  judgment
in its favor, by reason of the fact that he is or was a director,
officer,  employee  or agent of the corporation,  or  is  or  was
serving at the request of the corporation as a director, officer,
employee  or  agent  of another corporation,  partnership,  joint
venture,  trust or other enterprise, against expenses  (including
attorneys' fees) and, in a proceeding not by or in the  right  of
the corporation, judgments, fines and amounts paid in settlement,
actually  and reasonably incurred by him in connection with  such
suit  or  proceeding, if he acted in good faith and in  a  manner
believed  to  be in or not opposed to the best interests  of  the
corporation,  and,  with  respect  to  any  criminal  action   or
proceeding,  had no reason to believe his conduct  was  unlawful.
Delaware  law  further  provides  that  a  corporation  will  not
indemnify any person against expenses incurred in connection with
an  action  by or in the right of the corporation if such  person
shall  have  been  adjudged  to  be  liable  for  negligence   or
misconduct  in  the  performance of his duty to  the  corporation
unless and only to the extent that the court in which such action
or   suit   was   brought  shall  determine  that,  despite   the
adjudication of liability but in view of all the circumstances of
the  case,  such  person  is fairly and  reasonably  entitled  to
indemnity for the expenses which such court shall deem proper.

     The indemnification and advancement of expenses provided by,
or  granted pursuant to Delaware Corporation Law is not be deemed
exclusive   of   any   other  rights  to  which   those   seeking
indemnification or advance of expenses may be entitled under  any
bylaw, agreement, vote of stockholders of disinterested directors
or  otherwise, both as to action in his official capacity and  as
to action in another capacity while holding such office.

      Article  IX  of  the Company's By-Laws  provides  that  the
officers  and  directors  of the Company  shall  be  entitled  to
indemnification to the maximum extent permitted by Delaware law.

     The Company has entered into indemnification agreements with
officers  and directors of the Company and its subsidiaries  (the
"Indemnitee") wherein the Company has agreed to hold such officer
and  director  harmless and to indemnify  each  person  from  and
against any and all judgments, fines, amounts paid in settlements
and expenses, including attorneys' fees, incurred as a result  of
or  in  connection  with  any threatened,  pending  or  completed
action,    suit   or   proceeding,   whether   civil,   criminal,
administrative  or  investigative  or  as  a  result  of  or   in
connection  with any appeal therein, whether or not such  action,
suit proceeding is by or in the right of any other corporation of
any  type or kind, domestic or foreign, or any partnership, joint

                                II-2
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<PAGE>
venture,  trust, employee benefit plan or other enterprise  which
the  Indemnitee  serves in any capacity at  the  request  of  the
Company,  to  which Indemnitee is, was or at any time  becomes  a
party, or is threatened to be made a party or as a result  of  or
by  reason  of the fact that Indemnitee is, was or  at  any  time
becomes  a  director  or officer of the Company,  or  is  or  was
serving   or   at  any  time  services  such  other  corporation,
partnership, joint venture, trust, employee benefit plan or other
enterprise, in any capacity, whether arising out of any breach of
Indemnitee's  fiduciary duty, under any state or federal  law  or
otherwise  as  a  director or officer of  the  Company  or  as  a
director,  officer, employee or agent of such other  corporation,
partnership, joint venture, trust, employee benefit plan or other
enterprise; provided, however, that no indemnity pursuant to  the
indemnification  agreements shall be  paid  by  the  Company  (1)
except  to  the extent the aggregate of losses to be  indemnified
exceeds  the  amount  of  such losses  for  which  Indemnitee  is
actually  paid pursuant to any insurance purchased and maintained
by  the Company for the benefit of Indemnitee; (2) if judgment or
other  final adjudication established that the Indemnitee's  acts
were  committed in bad faith or were the result of dishonesty  so
adjudicated,  or  that Indemnitee personally  gained  in  fact  a
financial profit or other advantage to which Indemnitee  was  not
legally  entitled; or (3) if a final judgment by a  court  having
jurisdiction  in  the  matter  or the  Court  of  Chancery  shall
determine   that   Indemnitee   is   not   entitled    to    such
indemnification.  Insofar  as  indemnification  for   liabilities
arising under the Act may be permitted to directors, officers  or
persons   controlling  the  Company  pursuant  to  the  foregoing
provisions, the Company has been informed that in the opinion  of
the  Securities and Exchange Commission, such indemnification  is
against public policy as expressed in the Securities Act of 1933,
as amended, (the "Act") and is therefore unenforceable.

ITEM 16:  Exhibits

2         Agreement and Plan of Merger to reincorporate  in
          Delaware(contained in Exhibits 3(b) and 3(c)(1)

2(a)      Agreement   and  Plan  of  Merger  between   ATC
          Environmental Inc. and Aurora Environmental Inc. (6)

3(a)      Certificate of Incorporation of Registrant(1)

3(b)      Certificate   of   Ownership   and   Merger   of
          Registrant(Delaware)(1)

3(c)      By-Laws(1)

3(d)      Certificate  of Merger(Aurora Environmental  Inc.
          Merging with and into ATC Environmental Inc.)(9)

4         Warrant  Agreement  relating  to  Class   C Warrants (13)

                                II-3
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<PAGE>
4(a)      Specimen of Class C Warrant (13)

5         Opinion re: Legality - Lester Morse *

10        Employee Savings(401(k))Plan(2)

10(a)     New York City Lease(3)

10(b)     Form of Indemnity Agreement(10)

10(c)     Asset  Purchase  Agreement  between  ATC  Environmental
          Inc.,  a  Delaware corporation, and Hill  International
          Inc., a Delaware corporation, executed on November  10,
          1995(5)

10(d)     Six-Month Promissory Note executed and delivered by ATC
          Environmental  Inc. on November 10,  1995,  payable  to
          Hill International, Inc. in the amount of $300,000(5)

10(e)     Irrevocable Letter of Credit executed by Atlantic  Bank
          of  New York on November 8, 1995, and delivered by  ATC
          Environmental Inc. on November 10, 1995, payable on  or
          after  May 1, 1996, to Hill International, Inc. in  the
          amount of $730,625.00(5)

10(f)     Bill  of Sale delivered on November 10, 1995, conveying
          assets  referenced  in assets purchase  agreement  from
          Hill International, Inc. to ATC environmental Inc.(5)

10(g)     Non-Competition Agreement of Irvin E.  Richter  to  ATC
          Environmental Inc. Delivered  on November 10, 1995(5)

10(h)     Non-Competition Agreement of David L.  Richter  to  ATC
          Environmental Inc. Delivered on November 10, 1995(5)

10(i)     Agreement  for Sale and Purchase of Business Assets  on
          May 24, 1996, among ATC Environmental, American Testing
          and Engineering Corporation d/b/a ATEC Associates, Inc.
          and Gerald D. Mann.(11)

10(j)     Assumption  of Liabilities Agreement on May  24,  1996,
          among  ATC  Environmental Inc.,  American  Testing  and
          Engineering Corporation and Gerald D. Mann.(11)

10(k)     Master  Equipment  Lease Agreement  on  May  24,  1996,
          between ATC Environmental Inc. and American Testing and
          Engineering Corporation.(11)

10(l)     Master Sublease Agreement on May 24, 1996, between  ATC
          Environmental Inc. and American Testing and Engineering
          Corporation  covering premises leases at  Indianapolis,
          IN, Atlanta, GA and Dallas, TX.(11)

                                II-4
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<PAGE>
10(m)     Non-Competition Agreement on May 24, 1996, between  ATC
          Environmental Inc. and American Testing and Engineering
          Corporation.(11)

10(n)     Mann Non-Competition Agreement on May 24, 1996, between
          ATC Environmental Inc. and Gerald D. Mann.(11)

10(o)     WATEC   Non-Competition  Agreement  on  May  24,  1996,
          between  ATC  Environmental Inc.  and  Waste  Abatement
          Technology, LLP.(11)

10(p)     Security   Agreement  on  May  24,  1996,   among   ATC
          Environmental  Inc., American Testing  and  Engineering
          Corporation and Gerald D. Mann.(11)

10(q)     $500,000  Letter  of  Credit  on  May  24,  1996,  from
          Chemical  Bank,  N.A.  against  the  account   of   ATC
          Environmental  Inc.  in favor of American  Testing  and
          Engineering Corporation.(11)

10(r)     Agreement  for Sale and Purchase of Business Assets  on
          May  28,  1996,  among ATC In Sys Technology  Inc.,  3D
          Information Services Inc. and Ciro De Saro.(11)

10(s)     Assumption of Liabilities Agreements on May  28,  1996,
          between  ATC  In  Sys Technology Inc.,  3D  Information
          Services Inc. and Ciro De Saro.(11)

10(t)     Stockholders Non-Competition Agreement on May 28, 1996,
          between ATC In Sys Technology Inc. and the stockholders
          of 3D Information Services Inc.(11)

10(u)     Three-year, $2,500,000 Promissory Note on May 29, 1996,
          from  ATC Environmental Inc. to 3D Information Services
          Inc.(11)

11               Statements   re:   Computation  of   per   share
          earnings(11)(12)

21             Subsidiaries of Registrant(4)

23        Independent Auditors' Consent-Deloitte & Touche LLP(*)

23(a)     Consent of Counsel (contained in Exhibit 5)(*)

23(b)     Consent of Coopers & Lybrand L.L.P.(*)

99        1988 Stock Option Plan(7)

99(a)     1993 Stock Option Plan(8)
___________________________

* Filed herewith.

(1)      Reference is made to the Registrant's Registration Statement
     File  No.  33-19889 on Form S-1, which is   incorporated  by
     reference and contains exhibits 2, 3(a), 3(b) and 3(c).

                                II-5
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<PAGE>
(2)  Reference  is  made to the Registrant's  Form 10-K  for  the
     fiscal year ended February 28, 1990 which is incorporated by
     reference and contains Exhibit 10.

(3)  Reference  is  made to the Registrant's Form  10-K  for  the
     fiscal year ended February 29, 1992 which is incorporated by
     reference and contains exhibit 10(a).

(4)  During the fiscal year ended February 29, 1996, ATC had four
     wholly-owned   subsidiaries,   namely,   Hygeia   ProScience
     Laboratories   Inc.   ("Hygeia"),   ATC   Management    Inc.
     ("Management  Co."),  ATC  New  England  Corp.   ("ATC   New
     England")  and  ATC  Blattert  Inc.  ("Blattert").   Hygeia,
     Management  Co.,  ATC  New England and Blattert  are  formed
     under  the  laws  of the States of Delaware,  South  Dakota,
     Delaware  and  South  Dakota,  respectively.   Hygeia   does
     business  under the name Hygeia ProScience, Inc.  Management
     Co. Does business under the name ATC Management Inc. ATC New
     England  does  business  under its own  name  and  Con-Test.
     Blattert  does business under ATC Blattert Inc., Blattert  &
     Associates Inc. And Microbial Environmental Services, Inc.

(5)  Reference  is  made  to  the  Registrant's  Form  8-K  dated
     November  10,  1995, which is incorporated by reference  and
     contains  Exhibits  10(c), 10(d), 10(e),  10(f),  10(g)  and
     10(h).

(6)  Reference  is made to the Registrant's Form S-4 Registration
     Statement,  file  No.  33-88380  which  is  incorporated  by
     reference and contains Exhibit 2(a).

(7)  Reference  is made to the Registrant's Form S-8 Registration
     Statement,  file  No.  33-55592  which  is  incorporated  by
     reference and contains Exhibit 99.

(8)  Reference  is made to the Registrant's Form S-8 Registration
     Statement,  File  No.  33-77578  which  is  incorporated  by
     reference and contains Exhibit 99.1.

(9)  Reference  is  made to the Registrant's Form  10-Q  for  the
     quarter  ended  May  31,  1995,  which  is  incorporated  by
     reference and contains Exhibit 3(d).

(10) Reference  is  made to the Registrant's Form  10-K  for  its
     fiscal  year  ended February 28, 1995, which is incorporated
     by reference and contains Exhibit 10(b).

(11) Reference is made to the Registrant's Form 10-K, as  amended
     for  its  fiscal  year ended February  29,  1996,  which  is
     incorporated  by  reference  and  contains  Exhibits  10(i),
     10(j),  10(k),  10(l),  10(m), 10(n), 10(o),  10(p),  10(q),
     10(r), 10(s), 10(t), 10(u) and 11.

(12) Reference  is  made to the Registrant's Form  10-Q  for  the
     quarter  ended  May  31,  1996,  which  is  incorporated  by
     reference and contains Exhibit 11.
(13) Reference  is made to the Registrant's Form S-1 Registration
     Statement,  File  No.  33-3902,  which  is  incorporated  by
     reference and contains Exhibits 4 and 4(a).

                                II-6
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<PAGE>
ITEM 17:  UNDERTAKINGS

     The undersigned registrant hereby undertakes:

     (a)  (1) To file, during any period in which offers or sales
are  being  made, a post-effective amendment to this registration
statement:

           (i)  To  include  any prospectus required  by  section
10(a)(3) of the Securities Act of 1933;

           (ii)  To reflect in the prospectus any facts or events
arising  after  the effective date of the registration  statement
(or  the  most  recent post-effective amendment  thereof)  which,
individually or in the aggregate, represent a fundamental  change
in  the  information  set  forth in the  registration  statement.
Notwithstanding the foregoing, any increase or decrease in volume
of  securities  offered (if the total dollar value of  securities
offered  would  not  exceed that which was  registered)  and  any
deviation  from  the  low or high end of  the  estimated  maximum
offering  range may be reflected in the form of prospectus  filed
with the Commission pursuant to Rule 424(b) of the Securities Act
of  1933, as amended (the "Securities Act") if, in the aggregate,
the  changes  in volume and price represent no more  than  a  20%
change  in the maximum aggregate offering price set forth in  the
"Calculation   of  Registration  Fee"  table  in  the   effective
registration statement.

           (iii) To include any material information with respect
to  the  plan  of  distribution not previously disclosed  in  the
registration statement or any material change to such information
in the registration statement;

            Provided,  however,  that  paragraphs  (a)(1)(i)  and
(a)(1)(ii)  of  this  section do not apply  if  the  registration
statement  is  on  Form  S-3  of  the  Securities  Act,  and  the
information required to be included in a post-effective amendment
by  those paragraphs is contained in periodic reports filed  with
or  furnished  to  the Commission by the registrant  pursuant  to
section  13  or section 15(d) of the Securities Exchange  Act  of
1934  (the "Exchange Act") that are incorporated by reference  in
the registration statement.

           (2) That, for the purpose of determining any liability
under  the  Securities  Act, each such  post-effective  amendment
shall  be  deemed to be a new registration statement relating  to
the   securities  offered  therein,  and  the  offering  of  such
securities  at that time shall be deemed to be the  initial  bona
fide offering period.

           (3) To remove from registration by means  of  a  post-
effective  amendment  any  securities which remain unsold at  the
termination of the offering.

      (b)  The undersigned registrant hereby undertakes that, for
purposes  of determining any liability under the Securities  Act,
each filing of the registrant's annual report pursuant to section
13(a)   or  section  15(d)  of  the  Exchange  Act  (and,   where

                                II-7
PAGE
<PAGE>
applicable,  each  filing of an employee  benefit  plan's  annual
report  pursuant to section 15(d) of the  Exchange Act)  that  is
incorporated by reference in the registration statement shall  be
deemed  to  be  a  new  registration statement  relating  to  the
securities  offered therein, and the offering of such  securities
at that time shall be deemed to be the initial bona fide offering
thereof.

      (c)   Insofar  as  indemnification for liabilities  arising
under  the  Securities Act of 1933 may be permitted to directors,
officers  or persons controlling the registrant pursuant  to  the
foregoing  provisions,  or otherwise,  the  registrant  has  been
informed that in the opinion of the Securities and Exchange  such
indemnification is against public policy as expressed in the  Act
and  is  therefore unenforceable.  In the event that a claim  for
indemnification against such liabilities (other than the  payment
by  the  registrant of expenses incurred or paid by  a  director,
officer or controlling person of the registrant in the successful
defense  of any action, suit or proceeding) is asserted  by  such
director,  officer or controlling person in connection  with  the
securities being registered, the registrant will, unless  in  the
opinion of its counsel the matter has been settled by controlling
precedent,  submit  to  a court of appropriate  jurisdiction  the
question of whether such indemnification by it is against  public
policy as expressed in the Act and will be governed by the  final
adjudication of such issue.

                                II-8
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<PAGE>
                           SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933,
as  amended,  the  registrant certifies that  it  has  reasonable
grounds to believe that it meets all the requirements for  filing
on  Form  S-3  and  has  duly caused this Form  S-3  Registration
Statement  to  be  signed  on  its  behalf  by  the  undersigned,
thereunto duly authorized, in the City of New York, State of  New
York on the 16th day of August, 1996.

                              ATC ENVIRONMENTAL INC.

                              By:   /s/ Morry F. Rubin
                                 ---------------------------
                                 Morry F. Rubin, President
                                 and Chief Executive Officer

                       POWER OF ATTORNEY

      KNOW  ALL  MEN  BY THESE PRESENTS, that each  person  whose
signature appears below constitutes and appoints Morry  F.  Rubin
his  true and lawful attorney-in-fact and agent, with full  power
of  substitution  and resubstitution, for him and  in  his  name,
place, and stead, in any and all capacities, to sign any and  all
future  amendments to the Registration Statement and to file  the
same,   with  all  exhibits  thereto,  and  other  documents   in
connection   therewith,   with  the   Securities   and   Exchange
Commission,  granting unto said attorney-in-fact and  agents  all
authority  to  do and perform each and every act  and  thing  and
purpose  as he might or could do in person, hereby ratifying  and
confirming  all  that said attorney-in- fact  and  agent  or  his
substitute or substitutes, may lawfully do or cause to be done by
virtue hereof.

      Pursuant to the requirements of the Securities Act of 1933,
this  Form  S-3  Registration Statement has been  signed  by  the
following persons in the capacities and on the dates indicated.

         Signatures                      Titles                  Date
         ----------                      ------                  ----

      /s/ George Rubin       Chairman of the Board,           August 16,
      ---------------        Secretary and Director              1996
        George Rubin        
                                                                   
     /s/ Morry F. Rubin                                       August 16,
     ------------------      President, Chief Executive          1996
       Morry F. Rubin        Officer, Treasurer and Director

    /s/ Richard L. Pruitt    Vice President, Principal        August 16,
    ---------------------    Accounting Officer and              1996
     Richard L. Pruitt       Director
                                                                   
      /s/ Wayne Crosby       Chief Financial Officer          August 16,
      ----------------                                           1996
        Wayne Crosby  

   /s/ Richard S. Greenberg  Director                         August 16,
   ------------------------                                      1996
    Richard S. Greenberg

    /s/ Julia S. Heckman     Director                         August 16,
    --------------------                                         1996
      Julia S. Heckman

                                II-9
PAGE
<PAGE>
                           EXHIBIT 5

                         Legal Opinion

                                II-10
PAGE
<PAGE>
                       LESTER MORSE P.C.
                 111 Great Neck Road, Suite 420
                      Great Neck, NY 11021
                    Telephone (516) 487-1446
                   Telecopier (516) 487-1452


ATC Environmental Inc.                            August 13, 1996
104 East 25th Street, 10th Floor
New York, NY  10010

Re:  Registration Statement on Form S-3
     of ATC Environmental Inc.
     ----------------------------------

Gentlemen:

      We  have  reviewed  the Certificate  of  Incorporation  and
amendments  thereto, By-Laws (as amended), corporate  proceedings
and  other  documents of ATC Environmental, Inc. (the  "Company")
and  based  upon  the  foregoing, it  is  our  opinion  that  the
securities  being  registered with the  Securities  and  Exchange
Commission  pursuant  to this Registration Statement,  will  when
issued  upon  exercise  of  the Class  C  common  stock  purchase
warrants, be legally issued, fully paid and non-assessable.

       No  consents,  approvals,  authorizations  or  orders   of
agencies,  officers or other regulatory authorities are necessary
for  the  valid  authorization, issuance or sale  of  the  shares
hereunder,  except as such may be required under  the  Securities
Act of 1933, as amended, or state securities, or Blue Sky laws.

      We  consent to the filing of this opinion as an exhibit  to
the  aforesaid Registration Statement and further consent to  the
reference  made  to  us  under  the  caption  "Counsel"  in   the
Prospectus  constituting  a part of such Registration  Statement.
Nothing contained herein shall be considered an omission that  we
are deemed an expert within the meaning of the Securities Act  of
1933, as amended.


                                   Very truly yours,

                                   LESTER MORSE P.C.



                                   Steven Morse


SM:gm

                                II-11

PAGE
<PAGE>
  
                            EXHIBIT 23
  
                    CONSENT OF DELOITTE & TOUCHE LLP
  


                                II-12
PAGE
<PAGE>

  INDEPENDENT AUDITORS' CONSENT
  
  We  consent   to   the  incorporation  by  reference in this
  Registration  Statement ATC  Environmental Inc. on  Form S-3
  of our report dated May 6, 1996 (May  28, 1996 as to Note M)
  appearing in the Annual  Report  on  Form  10-K, as amended,
  of ATC Environmental Inc. for  the  year  ended February 29,
  1996, and our report  dated  April  26,  1996  on  financial
  statements  of  3D Information Services  appearing  on  Form
  8-K  dated  May   24,  1996,  as  amended,  incorporated  by
  reference herein, and to  the  reference  to  us  under  the
  heading "Experts"  in  the Prospectus, which is part of this
  Registration.
  
  Deloitte & Touche LLP
  
  Omaha, Nebraska
  August 16, 1996

                                II-13
PAGE
<PAGE>

                            EXHIBIT 23(b)
  
                    CONSENT OF COOPERS & LYBRAND L.L.P.
  


                                II-14
PAGE
<PAGE>

  Consent of Independent Accountants
  
  We  consent  to  the  incorporation by reference  in  this
  Registration  Statement of ATC Environmental,  Inc.  (ATC)
  on  Form S-3 (File No. 333-0000) of our report dated March
  15,  1996 (May 23, 1996 as to Notes 1 and 5) on our audits
  of  the  consolidated  financial  statements  of  American
  Testing  and  Engineering Corporation as of  December  31,
  1995  and 1994, and for the years then ended, and  of  our
  report  dated March 31, 1995 (May 4, 1995 as to  Note  4),
  on  our audits of the consolidated financial statements of
  American  Testing  and  Engineering  Corporation   as   of
  December 31, 1994 and 1993 and September 30, 1993 and  for
  the  year ended December 31, 1994, the three months  ended
  December 31, 1993, and the year ended September 30,  1993,
  incorporated by reference herein to ATC's report  on  Form
  8-K dated May 24, 1996, as amended. We also consent to the
  reference to our firm under the caption as "Experts"
  

  Coopers & Lybrand L.L.P.

  Indianapolis, Indiana
  August 16, 1996

                                II-15



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