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r <br /> 0$ December 2000 <br /> I <br /> AGE-NC Project No 95-0103 <br /> Page 2 of 5 <br /> y 2 2 GROUND WATER SIMPLE COLLECTION <br /> Water samples were retrieved from each purged well using new <br /> transferred into 40-m1 EPA-approdisposable bailers The samples were <br /> ved volatile organic analysis VOA vials <br /> hydrochloric acid (18%) as a sample preservative The ,samples(were)transportedontainm ed Una O'S nA <br /> r container under chain-of-custody to McCed <br /> ampbell Analytical, Inc (MAI), a California Department <br /> of Health Services(DHS)=certified laboratory,for analysis The ground water samples were analyzed <br /> for <br /> I , <br /> ' • Total petroleum hydrocarbons quantified as <br /> gasoline (TPH-g) in accordance with EPA <br /> Method 8015-modified for gasoline, <br /> ' Purgeable aromatic compounds benzene,toluene,ethyl=benzene and total <br /> with methyl,#ert-butyl ether (MTBE) in accordance with EPA Method 820, {BTE&X) <br /> ' Oxygenating fuel additives ternary butyl alcohol(TBA), di-isopropyl ether(DIPS), MTBE, <br /> ethyl tertiary butyl ether,(ETBE) and tertiary amyl methyl ether('TAME) in accordance with <br /> EPA Method 5260-modified, <br /> 1,2-dichloroethane (1,2-DCA) in accordance with <br /> EPA Method 8260, and <br /> Ethylenedibromide (EDB) in accordance with EPA Method 8260 <br /> r 4 r <br /> Ir23 SOIL 'VAPOR SAMPLE,COLLECTION <br /> 1 i <br /> rA soil gas/vapor sample was collected on 21 September 2000 from the soil vapor extraction system <br /> The soil gas/vapor samples were collected in Tedlar bags from the influent stream The sample was <br /> collected with a vacuum pump, labeled, placed in a cool ice chest and transported under chaui-of- <br /> custody to MAI The samples were analyzed for <br /> TPH-g in accordance with,EPA method 8015 Modified and <br /> ' BTEX in accordance with EPA method 8020 J <br /> 1 <br /> S t I <br /> ,I <br /> t 3.0• FINDINGS <br /> - I I <br /> Ground water elevation and flow direction were calculated from field data, hydrocarbon-impact to <br /> ground water was assessed from laboratory analysis of the ground water samples , <br /> ` A4anced Ve0EnV lra <br /> amental,Inc, <br />