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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> Geological Audit Services Client Project ID:Roud Property Date Sampled: 11/19/93 <br /> 1803 West March Lane,Ste. A Date Received: 11/19/93 <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Eadracted: 11/20/93 <br /> Client P.O: Date Analyzed: 11/20/93 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602•California RW CB SF Ba Region)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- Xylenes % Rec. <br /> zene Surrogate <br /> 33260 MW-1/11-19-93 W ND,b ND 0.64 ND 0.89 90 <br /> Detection Limit unless other- W 50 ug/L 0.5 0.5 0.5 0.5 <br /> wise stated;ND means Not <br /> Detected S 1.0 mg/kg 0.005 0.005 0.005 1 0.005 <br /> *water samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg1L <br /> cluttered chromatogram;sample peak co-clutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursorryy in nature and McCampbell Analytical is not <br /> responsible for their interpretation:a))unmodified or weakly mod' ed gasoline is siccant;b) heavier paso_line <br /> i range compounds are sigmficant(aged gasoline?);0 li ter gasoline range compounds(the most mobile fraction) <br /> are significant d)pasohne range compounds are significant;no recogmzable pattern e) TPH pattern that does <br /> not appear to�e cleriv�ed from gasoline ((7) f� ane to a few isolated peaks present;gj strongly aged gasoline or <br /> diesel range compounds are significant;f�) fighter than water immiscle phase is present. <br /> DHS <br /> Certification No. 1544 r� Edward Hamilton,Lab Director <br />