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BRUNSING ASSOCIATES, INC. <br /> 1607 Industrial Way,Belmont, CA 94002 <br /> (415)637-0170 FAX(415)637-1196 <br /> " <br /> CEN <br /> December 3 1991 260 <br /> r, 3 <br /> DEC 51^Q1 <br /> EK9RONMENAL MEIaLI' i <br /> Mary Meays PERM 1.T SO U3 V 3 � 0 <br /> San Joaquin County <br /> Public Health Services, <br /> Environmental Health Di dsio�: <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> RE: WORKPLAN REVISIONS <br /> DOANE PRODUCTS COMPANY <br /> 450 E. GRANTLINE ROAD,TRACY, CALIFORNIA <br /> SITE#2441 <br /> Dear Ms. Meays: <br /> As requested in your November 18, 1991 letter to Bob Robinson of Doane Products <br /> Company, the scope of work of this project has been changed to reflect the stated <br /> cleanup level. Based on the initial investigation, the soil hydrocarbons appeared to <br /> be well confined and revised excavation quantities should be approximately as <br /> estimated in the workplan. Excavation will be continued until the requested <br /> cleanup level below the detection limits for hydrocarbons is reached or economic <br /> factors require consideration of alternative remedial methods. <br /> Also as requested, a copy of the remediation workplan has been forwarded to the <br /> Central Valley Regional Water Quality Control Board. This copy includes the <br /> corrected table summarizing previous. analytical results. The corrected value of <br /> Total Petroleum Hydrocarbons as diesel of 85 ppm was included for seep wafer <br /> sample taken at the time of tank removal. Please find enclosed a copy of the <br /> amended Table 1 frpm the-workplan. <br /> After the completion of the soil excavation, BAI will initiate the requested sampling <br /> and development of the wells and piezometers on the site. <br />