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PUBL C HEALTH SEkIES <br /> SAN JOAQUIN COUNTY <br /> JOGI KHANNA M.D.,M.P.H <br /> Health Officer P" <br /> c4<i� `'• <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) Stockton, California 95201 oR <br /> (209) 468-3400 <br /> JUL 2 3 1991 <br /> ROE ROBINSON cc <br /> DOANE PRODUCTS COMPANY <br /> P O BOX 879 <br /> JOPLIN MO 64802 <br /> i <br /> RE: 450 E. Grant Line Road IN REPLY REFER TO SITE CODE: 2441 <br /> Tracy, CA ; <br /> San Joaquin County Public Health Services,Environmental Health Division(PHS/EHD),has completed their <br /> review of the submittal entitled "Report of Finding, Subsurface Investigation prepared by Bruning <br /> Associates, dated April 29, 1991. <br /> The following statements were made in the above report: <br /> "DPC had two septic systems immediately north of the tank site. The septic tanks are still in place, <br /> but not connected to the plant sewer system and are not in use. The yard rest room is currently <br /> plumbed to the main plant with water and sewer service buried to the north of the building." <br /> Septic systems are conduits which facilitate contamination migration. Such conduits must be properly <br /> destroyed to prevent migration of contamination. Either verify that the septic systems have been destroyed <br /> or follow the proper procedures for their destruction. <br /> Please include sampling of piezometers P-1 and P-2 in quarterly groundwater monitoring to show that <br /> contamination has not moved to the west or east of the tank pit Please note that this office requires 48 <br /> hours notice prior to any site activity, including sampling. <br /> If you have any questions, contact Mary Meays, EHS of my staff at (209)468-3441: <br /> Jogi Khanna, NZ., M.P.H. r; <br /> Health Offi 6 <br /> f <br /> Laurie A- Cotulla, RENS, gram Manager <br /> Environmental Health Division <br /> r LAC/MM:nr <br /> c: Doane Products -Bob Fagundes <br /> 450 E. Grant Line Rd., Tracy, CA 95376 <br /> c: Bruning Associates - Mike Velzy <br /> 1607 Industrial Way, Belmont, CA 94002 <br /> c: CVRWQCB - Beth Thayer <br /> c: City of Tracy- Public Works <br /> 6 <br /> 520 -rrQc Bivd Trac-1 ca q531.(,I, <br /> A Division of San Joaquin County Health Care Services <br />