HACH CO, RW, 1997-09-09

HACH CO
RW, 1997-09-09
LABORATORY ANALYTICAL INSTRUMENTS

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                           [Hach Company Letterhead]



                               September 9, 1997



United States Securities and Exchange Commission
450 Fifth Street, NW
Washington, D.C. 20549


Attention: Kathleen Haller

     Re: Hach Company, File No. 1-13297
         Form 8-A Registration Statement Filed
         August 22, 1997 ("Registration Statement")

Ladies and Gentlemen:

     Hach Company (the "Company") hereby requests that the above-referenced
Registration Statement be withdrawn effective immediately.  The Registration
Statement erroneously identified the filing as being made under Section 12(b) 
of the Securities and Exchange Act, as amended.  Following withdrawal, a new 
registration statement will be filed identifying the filing as being made 
under Section 12(g) of the Act.


                                       Very truly yours,

                                       HACH COMPANY




                                        By: /s/ Bruce J. Hach
                                            ------------------------------
                                            Bruce J. Hach, President