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I 10 Second A-,enue South,#D7, Pacheco,CA 94553 <br /> 4 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http/hetiNw mecampbelI coin E-mail mainGinnccampbell com <br /> Advanced GeoEnvironmentat Client Project 1D Arco Mint Matt Date Sampled 10/30/97 <br /> 4005 North Wilson Way Date Received 10/31/97 <br /> Stockton, CA 95205 Client Contact Bill little Date Ehtiacted 11/01-11106197 <br /> Client P O Date Analyzed 11/01-11/06/97 <br /> Gasoline Range (C6-C12) Volatile H3 drocarbons as Gasoline* i'itli :\lctli\1 tort-But)I Ether* cQi BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California Mk QC S(Sf 13av Reg=ion)1110110d G(FI D(5030) <br /> LabID Client ID Matrix TPH(g)' MTBE Benzene ` Toluene Ethyl- Xylcnes %Recovery <br /> benzene Surrogate <br /> 8s2465 MW1/10-30-97 W ND ND ND ND ND ND 107 <br /> 82466 MW2/10-30-97 W ND 624 067 ND ND 1 3 108 <br />' 82467 MW3/10-30-97 W ND ND ND ND ND ND 105 <br /> 82468 MW4/10-30-97 W 12,000,a 450 680 530 1000 1300 95 <br /> S2469 nl W5/10-30-97 W 77,000,a :600 5200 18 000 2600 12,000 101 <br /> 82470 MW6/10-30-97 W 35,000,a 5300 2400 4700 1600 6100 96 <br /> 82471 MW7/10-30-97 W 120 c 260 0 C1 0 Sfi ND ND 106 <br /> 82472 VWl/10-30-97 W 89,000 a,h 6600 6100 16,000 2900 13,000 97 <br /> I <br /> Result not in substantial agreement the EPA 8260 result presumably due to the less certain compound identification/ <br /> Iresolution inherent in EPA method 8020 <br /> r <br /> r <br /> Reporting Limit unless `int 50 Ug/L, 0 0 05 0 5 05 05 <br /> otherwise stated NI)means <br /> not detected aboN e the <br /> U <br /> O <br /> 1 0 <br /> ienoiung limit S mg/kg 005 (1OR)� (1 (15 0 005 0 005 <br /> *Iater and vapor samples are reported in ug/L,wipe samples in u¢hNipe soiland<Iud2L samples in mg/kg,and all TCLP and SPLP e\liacts <br /> I in ug/L <br /> clutteied chromatogram,sample peak coelutes with surrogate peak <br /> -The following descriptions of the TPH chromatogram are cursoiv in naune and McCamhbell Analytical is not responsible 1oi their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) hea\1U «asolme tanee compounds ace sign ificant(aged <br /> naSnhnei) c) lighter —asolme range compounds (the most mobile tiaciion) aic sieniiicant d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gnSolnti.",c)TPH hanern that does not appear to be derii ed from easolme(1) f} <br /> one to a few isolated peaks present g)strongly aged gasoline or diesel iange compounds are significant h) lighter than water immiscible <br /> sheen is present i)liquid sample that contains greater than--5 No) '% sediment l)no lecoL m7ablc palteln <br /> DHS Ceitification No 1644 �i�� Uwaid Hamilton,Lab Directoi <br /> I <br />