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UPOUO. S E P 2 2 1992 <br /> N V NMENTAL HEALTH <br /> I MIT/HovlcES <br /> �4N <br /> OORACO.INC. 4545 CANTAS LANE STOCKTON. CALIFORNIA 95206 U.S.A. 309-983-1 930 FAX 209-983-1473 <br /> July 23 , 1992 <br /> Ms. Laura Gentile <br /> US, Environmental Protection Agency <br /> 75 Hawthorne Street <br /> San Francisco, CA 94105-3901 L;V�e <br /> Subject: Facility Inspection Report for Dopaco, Inc. <br /> This letter is to clarify some issues from the Inspection report <br /> prepared for our facility on July 1, 1992 . <br /> Under the heading "Background", in the first paragraph, the last <br /> line should read, "From 1981 until 1987. . . . " Dopaco commenced <br /> occupation on 800 W. Church Street, Stockton CA in September of 1981. <br /> In reference to the waste generation section: <br /> 1. Toulene is not present in the soap called Varn (see attached <br /> MSDS) . Straight Toulene was used to clean the presses. The <br /> cleaning rags used in this process contaminated the press <br /> water. The biodegradable cleaners mentioned in your report have <br /> replaced Toulene for cleaning purposes. <br /> 2 . The press water waste was classified as corrosive due to the <br /> presence of Caustic Potash (1310-58-3) in the Varn Soap (see <br /> attached MSDS) . Varn does not contain Toulene and is no longer <br /> used at Dopaco. <br /> 3 . The trial varnish, mentioned in the second to last paragraph, <br /> contained MEK not Toulene. MEK is no longer present in any inks <br /> or varnish at Dopaco. <br /> If you have any questions, please feel free to contact me. <br /> Thank you, <br /> &t4 <br /> , -M jpl�tk <br /> Beth M. Pratt <br /> Environmental Assistant <br /> cc: P.C. Robb Environmental Files <br /> K. S. Villani <br />