<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2 )*
CORE TECHNOLOGIES (PENNSYLVANIA), INC.
-------------------------------------------------------
(Name of Issuer)
COMMON STOCK, $.01 PAR VALUE
-------------------------------------------------------
(Title of Class of Securities)
151867 10 8
-------------------------------------------------------
(CUSIP Number)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
(Continued on following page(s))
Page 1 of 4 Pages
<PAGE>
SCHEDULE 13G
- ------------------------------- -----------------------------
CUSIP NO. 151867 10 8 Page 2 of 4 Pages
---------------
- ------------------------------- -----------------------------
- --------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NUMBER OF ABOVE PERSON
George E. Mitchell
S.S.# ###-##-####
- --------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ ]
- --------------------------------------------------------------------------------
3 SEC USE ONLY
- --------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
1,204,584
NUMBER OF
SHARES ----------------------------------------------------
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY
EACH 300,000
REPORTING
PERSON ----------------------------------------------------
WITH
7 SOLE DISPOSITIVE POWER
1,204,584
----------------------------------------------------
8 SHARED DISPOSITIVE POWER
300,000
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,504,584
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
[ ]
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
16.9%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- --------------------------------------------------------------------------------
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP No. 151867 10 8 Page 3 of 3 Pages
--- ---
Item 1 (a) Name of Issuer
Core Technologies (Pennsylvania), Inc.
Item 1 (b) Address of Issuer's Principal Executive Offices
110 Summit Drive, Exton, Pa 19341
Item 2 (a) Name of Person Filing
George E. Mitchell
Item 2 (b) Address of Principal Business Office or, if none,
Residence
110 Summit Drive, Exton, Pa 19341
Item 2 (c) Citizenship: U.S.A.
Item 2 (d) Title of Class of Securities:
Common Stock, $.01 par value
Item 2 (e) CUSIP Number: 151867 10 8
Item 3 If this statement is filed pursuant to Rule 13d-1(b) or
13d-2(b): Not applicable
Item 4 Ownership
(a) Amount Beneficially Owned: 1,504,584 Shares
(b) Percent of Class: 16.7%
(c) Number of shares as to which such person has:
(i) sole power to vote or direct the vote
1,204,584 Shares
(ii) shared power to vote or direct the vote
300,000 Shares
(iii) sole power to dispose or to direct the
disposition of
1,204,584 Shares
(iv) shared power to dispose or to direct the
disposition of
300,000 Shares
<PAGE>
CUSIP No. 151867 10 8 Page 4 of 4 Pages
--- ---
Item 5 Ownership of Five Percent or Less of a Class
Not applicable
Item 6 Ownership of More than Five Percent on Behalf of
Another Person
Not applicable
Item 7 Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on By the
Parent Holding Company
Not applicable
Item 8 Identification and Classification of Members of a Group
Not applicable
Item 9 Notice of Dissolution of Group
Not applicable
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
February 14, 1997 /s/ George E. Mitchell
----------------------- ----------------------
Date Signature
George E. Mitchell
-----------------------
Name/Title