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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 Protect ID Lockeford Beacon Date Sampled 01/11/94 <br /> 1803 West March Lane,Ste A Date Received 01/14/94 <br /> Stockton,CA 95207 Client Contact Bob Marty Date Extracted 01/15/94 <br /> Client P O Date Analyzed 01/15-01/17194 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030,modified 8013 and 8020 or 602 Cahfornia RW CB 5F Ba Region)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethyiben- Xylenes %Rec <br /> zene Surrogate <br /> 33860 MW5-35' S ND ND ND ND ND 102 <br /> 33861 MW5-65' S ND ND ND ND ND 106 <br /> 33862 MW5-88' S ND ND ND ND ND 106 <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 extracts in mg/L <br /> #cluttered chromatogram,sample peak co-elutes with surrogate peak <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a))unmodified or weaklymodified gasoline is sq scant,b heavier gasoline <br /> range compounds are sigr�iificant(aged gasoline?) c)h ter gsohne rancompounrs(the most mobile fraction) <br /> are significant d) gasoline range compounds are�si�icant,no recognizable pattern e) TPH pattern that does <br /> not appear to die derived from gasoline ?) flone o a few isolated ppeaks present,gj strongly aged gasoline or <br /> diesel range compounds are significant, ) �igtiter than water immiscible phase is present <br /> DHS Certification No 1644 �% Edward Hamilton,Lab Director <br />