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_ R NOW <br /> a <br /> 0 <br /> �" �,'Y' r •� - - - �- - biz• i'� <br /> v a <br /> r <br /> N _ <br /> +� e <br /> N <br /> u <br /> ERN-West, Inco <br /> Suite 200.2001 P Street•Sacramento,California 95814-5213•(916)444-WEST(444.9378)•Telefax(916)444-5313 <br /> Janis <br /> ary 3, 1991 4 <br /> JAN 54 1391 <br /> Mr. Steven Schneider <br /> ENMRONMENTAL HEALTH <br /> Public Health Services PERMIT/SERVJCE,S <br /> San Joaquin County <br /> P.O.Box 2009 <br /> 1.0001 Hazelton Avenue <br /> Stockton,CA 95201 <br /> j <br /> SUBJECT: Soil and Groundwater Investigation Report, <br /> Manna Pro Feed Mill, Stockton, California <br /> Dear Steve: <br /> 3 <br /> As you know, during the period from November 8 through December 6, <br /> 1990, we performed extensive testing of the sail and <br /> dwater in and <br /> around the current excavation at the Manna Pro Feed Mill in Stockton to <br /> evaluate the extent of the contamination at the site, determine the nature of <br /> the contamination, analyze its movement in the soil and <br /> z ter, and <br /> formulate methods for its treatment. This report comprises theWresults of <br /> that investigation and our analysis and conclusions of the facts we l <br /> gathered. The report also contains the results of our testing of the ' <br /> a approximately 2500 cubic yards of stockpiled soil outside of the current <br /> excavation which had been previously removed. <br /> bSoil and Crnr i <br /> t - _ ndwater Invest;�at.�„ ; <br /> i Our testing of the soil and <br /> excavation, the particulars of which daretseter louthmorecfullinity in the currentee closed <br /> report, revealed soil and groundwater contamination of varying ` <br /> '.. ; Tying degrees by <br /> petroleum hydrocarbon products. The soil contamination appears in a zone <br /> from roughly 35 to 45 feet below grade. We estimate there are at least 8500 <br /> cubic yards of hydrocarbon-cor:taminated soil in ther <br /> ground at substantial <br /> concentrations. Figure 3-3 in the report depicts to estimated boundaries-of --- <br /> i <br /> the_soil__contamination.----- - -- - - --- <br /> An affiliate of The Environmental Resources Managemen:Gfoup with offices worldwide <br />