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07/26/1999 15: 20 530241115500 LRSA ENGINEERING: PAGE 02 <br /> 1949 <br /> J(�y Labe,Mantecr <br /> UST Sa-plhrg Report Pege 1 of 2 <br /> sample was collected about two feet below piping that ran from the tank to the building. <br /> One soil sample were collected from the excavated-soil stockpile,which had a volume of <br /> about 18 cubic yards. <br /> i <br /> Site features, including the excavation,stockpiles. and sample locations,arc shown in � <br /> Figure 2. 1 <br /> Soil samples were collected in 2-inch by 6-inch brass sampling sleeves sealed with <br /> Teflon tape and plastic end caps. All samples were placed in a cooler and kept at 4°C. <br /> The samples were transported under chain-of-custody to Shasta Analytical for analysis. <br /> Analyses included TPH as gasoline,TPH as diesel, BTEX,MTBE,Cl HC, PCB.Cd, Cr, <br /> Pb,Ni,and Zn.Analytical results are shown below in Table 1. Laboratory reports are 1 <br /> 1 <br /> attached. <br /> Table 1 <br /> Underground Waste-M Tank Removal Sampling Results 1 <br /> Sample TPJI TPH Metals <br /> I creation Gas Dbael B. . T £ X MTBE CI HC PCS ��Cd Cr Yb NJ Zn <br /> mg/K8 i'�Ka — mg(Kg - ming <br /> Excavation - ?, �� <br /> EX.1, NO ND ND Nb ND NO(<1} 6.3 NO NO ND Ni) S S\ Z3 , <br /> 12' _ (<0.05) (<0 (<0,5) (<0.5) (<0.5) — (<5-20) (<0.3) (�Z} (<20).___1.�— <br /> Piping <br /> PI-1.5' NO NO ND ND ND ND{<1) NO NO ND NO ND <br /> (<0.05) (<0 (<0.5) (<0.5) (<0.5) (<S) _ (<5-20) (,0.3)�(<2) (AZO) <br /> Stoc_kpHef _ -- i , <br /> 5P-1 -� ND-^TEND ND ND ND IND(<]) ND ND ND NO NDu d �++4.01221 <br /> C (<o-05 (<i * (<0.5) (<0.5) (<0.5) (<5) (<5-20) (1.3) I (<2)j('-_70)1 I <br /> Notes: mg/Kg parts per million(ppm);pl;XK =pans per billion(ppb). <br /> ND-Not detected about detection limas. <br /> Shaded boxes indicate detected values, <br /> ' Sample shows motor oil/waste oil at 37 mg/Kg. <br /> Please give me a call at(530) 244-9703 if you have any questions regarding this report. r <br /> Sincerely,44p_ <br /> W. BRYAN <br /> GA <br /> Bryan W. Gartner 1 ♦ } <br /> Certified Engineering Geologist 1756 <br /> a EOL T fit' <br /> ehc. Ftion Map <br /> ig re 2. Se-Locationamplap FF GO- <br /> Laboratory Reports <br /> cc: Mr. Matt Parker,San Joaquin County Public Health Services,Environmental Health Division <br /> JYl8.J 11 ,Lawrence&A.mocLuf s <br />