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110 Second.avenue South,4D7,Pacheco,CA 94553 <br /> McCANIPBELL ANALYTICAL NC. Telephone: 510-798-1620 Fax :510-798-16_3 <br /> htta:;lw,.v-%v.mccampbell.com E-mail: main)iD.mccampbell.com <br /> Versar, Inc Client Project ID: B Of A-Ripon Date Sampled: OSi 1619 i <br /> 7S44 Madison Ave.. = 16 Date Received: 05i 19,91 <br /> Fair Oaks. CA 9_562S Client Contac:: Vete Elarth Date Extrac:ed: 05/'19.,9" <br /> Client P.O: Date.analyzed: 05/19.,97 <br /> Gasoline Range (C6-C12) Volatile Hydrocarbons as Gasoline".«with Methyl tert-Buryl Ether's 3 BTEY* <br /> EPA methods=030,-noduled 301:.and 3020 or 602:California R'.`✓'(';CB iSF Bay Region)method GCFID) 0:01 <br /> Lab ID Client ID Nlarrix TPH(g)- MTBE Benzene I Toluene I Ethylben-� °o <br /> `Cylenes Recovery <br /> zene I Surrogate <br /> 76539 BH-1-15.5 S ND i --- ND ND I ND I ND 97 <br /> 76590 BH-1 W ND --- ( ND ND ND ND 101 <br /> 76593 BH-3-15.5' S ND --- ND ND i ND i ND 98 <br /> 76594 BH-_ W ND I -- I ND I ND ND j ND 101 <br /> i <br /> 76597 BH-3-15.5' S ND --- ND ND ND ND 97 <br /> 76598 BH-3 W ND -- ND ND ND ND 100 <br /> 76601 BH-4-15.5' S I ND -- ND I ND ND ND I 101 <br /> 76603 BH-4 W I ND --- I ND ND ND ND 101 <br /> I <br /> Reporting Limit unless W 50 ugIL 5.0 I 0.5 0.5 0.5 I 0.5 <br /> otherwise stated;ND <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 I 0.005 0.005 0.005 0.005 <br /> •water and vapor samples are reported in ugiL,wipe samples in ugiwipe,soil and sludge samples in mgikg,and all TCLP and SPLP extracts <br /> in ug/L <br /> 'cluttered chromatogram;sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and '1cCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds are significant(aged <br /> gasoline?). c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present:i)liquid sample that contains greater than—5 vol.?'o sediment;i)no recognizable pattern. <br /> DHS Certification No. 1644 /.� Edward Hamilton,Lab Director <br />