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110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> Geological Audit Services Client Project ID:#763-S;USDA-SCS Date Sampled:08/16/93 <br /> 1803 West March Lane,Ste.A Date Received:08/17/93 <br /> Stockton,CA 95207 Client Contact:Bob Marty Date Extracted:08/20/93 <br /> Client P.O: Date Analyzed:08/20-08/23/93 <br /> L Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*, with BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or •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 /> 31810 B1-15 S 9600,a 220 680 160 890 # <br /> L31811 B1-20 S 12,OOO,a 250 760 180 1000 _# <br /> 31812 B1-25 S 44,a 1.8 3.5 0.67 4.0 102 <br /> L31813 B2-15 S 200,b,d 1.8 0.84 2.6 8.3 107 <br /> 31814 B2-20- S 1300,a 15 48 13 81 125# <br /> �,. 31815 B2-25 S 200,a,d 7.1 11 2.1 13 113 <br /> 31816 B3-25 S 180,a 3.5 8.5 2.5 15 103 <br /> L31817 B3-30 S ND,a 0.021 0.030 ND 0.027 109 <br /> 31818 B4-20 S 1.6,c 0.18 0.015 0.010 0.007 108 <br /> 31819 B4-30 S ND ND ND ND ND 109 <br /> 31820 DW/8-16-93 W ND ND ND ND ND 107 <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 .0.005 <br /> L *water samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram;sample peak co-elutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory. nature and McCampbell Analytical is not <br /> responsible for their interpretation:a))unmodified or weakly modified gasoline is s1 nt;b)heavier gasoline <br /> range compounds are sigriificant(aged gasoline?);c)Iipdar gasoline range compoullBs(the most mobile fraction) <br /> are significant d)gasoline range compounds are silo a l anf;no recogatzable patterne}TPH pattern that does <br /> L <br /> =range <br /> to be derived from gasoline((?)•fl one o a few isolated peaks present;0 strongly aged gasoline or <br /> diesel range compounds are significant;h)�igttter than water immiscible phase is present. <br /> LDHS Certification No. 1644 �''� Edward Hamilton,Lab Director <br />