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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax-510-798-1622 <br /> Geological Audit Services Client Project ID Ge%wke Date Sampled 12/07/94 <br /> 1803 West March Lane, Ste A Date Received 12/07/94 <br /> Stockton,CA 95207 Chent Contact Bob Marty Date Extracted 12/08-12/09/94 <br /> Client P O Date Analyzed 12/08-12/09/94 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,vvrth BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602 California RW QCB SF BaN Re on method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylben- X}lencs % Rec <br />' zene Surrogate II <br /> 42926 E W-I / 12-7-94 W 720,b 22 18 41 29 96 <br /> 42927 MW-14/ 12-7-94 W 5400 a 150 610 83 1400 101 <br /> I <br /> i <br /> I <br /> i <br /> i <br /> I <br /> Detection Limit unless other- W 50 ug/L 05 05 05 05 <br /> wise stated,ND means Not <br /> Detected S 10 mg/kg 0 005 0 005 0 005 0 005 <br /> *water samples are reported in ug/L,soil samples in mg/kg,and all TCLP e:siracts in mg/L <br /> #cluttered chromatogram,sample peak co-elutes voth surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation <br /> pe retation a unmodified or weak! modified gasoline is siccant,b) heavier gasolme <br /> range compounds are s gx�ificant(age�gasoline?),c)!i tergyasolme rane compounds(the most mobile fraction) <br /> are significant d) spline range compounds are sicanC,na recognizable pattern e) TPH pattern that does <br /> not appear to die de�rrved from gasoliiie {{?) flone o a few isolated peaks present,gj strongly aged gasoline or <br /> diesel range compounds are significant,h) �igtiter than water immiscible phase is present <br /> DHS Certification No 1644 '�f Edward Hamilton,Lab Director <br />