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' Limited Soil and Groundwater Ort-05/24/99 Page 10 <br /> Western oil& Spreading Site Project No 024 9$ <br /> TABLE 1 (Continued) <br /> March 23 and 24,1999 Soil Results for Western Oil&Spreading Site <br /> ' 119256 N Highway 99 in Acampo,California <br /> SAMPLE SAMPLE TPH-d TPH-k TPH-g MTBE Benzene Toluene Ethyl Xylenes <br /> ' NUMBER DEPTH mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Benzene mg/kg <br /> mglkg <br /> ' B4-7 34'/2-35 <10 < 10 < 10 <50 <03 <03 <03 <06 <br /> B4$ 39'/2-40 <10 <10 < 10 <50 <03 <03 <03 <06 <br /> B-5-3 14 '/2-15 <10 < 10 < 10 <50 <03 <03 <03 <06 <br /> B-54 19'/2-20 <10 < 10 < 10 <SO <03 <03 <03 <06 <br /> B-5-6 291/1-30 <10 < 10 < 10 <50 <03 <03 <03 <06 <br /> #California Department None None None 0 035 001 0150 0700 1 750 <br /> of Health Services Listed Listed Listed <br /> primary maximum <br /> ' contamination level for <br /> drinking water <br /> ' *Drinking Water Standards and Health Advisories Table,EPA August, 1995 Cahfornia MCL's <br /> Note.A total of 16 sod samples were placed on hold pending the analytical results of the March <br /> 23 and 24, 1999 investigation. On April 2, 1999, Mr. Jeff Wong of SJCEHM was contacted by <br /> Gallardo&Associates to discuss the analytical results. After reviewing the results and locations <br /> of the remaining hold sod samples, Mr. Wong requested that soil samples B-2-8 and B-4-8 also <br /> ' be analyzed After reviewing the results of soil samples B-2-8 and B-4-8 Mn Wong stated that <br /> the remaining hold samples could be disregarded <br /> 9.2 Groundwater Analytical Results <br /> The laboratory results for groundwater "Grab" samples B-1 through B-5 are summarized 1n Tables <br /> i2 and 2A <br /> ' TABLE 2 <br /> March 23,1999 Groundwater Results for Western Oil&Spreading Site <br /> 119256 N Highway 99 in Acampo,California <br /> SAMPLE TPH-d TPH-k TPH-g Benzene Toluene Ethyl Xylenes <br /> NUMBER ug/L ug/L ug/L ug/L uglL Benzene uglL <br /> ug/L <br /> - <br /> 4W 5,900 Q00- 71 077 0 37 072 067 <br /> ' #California Department of None None None 1 150 700 1750 <br /> Health Services primary Listed Listed Listed <br /> maximum contamination <br /> level for drinking water <br /> *Drinking Water Standards and Health Advisories Table, EPA August, 1995 California MCL's <br />