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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 Chent Project ID Wastewater Treatment Date Sampled 08/31/94 <br /> 1803 West March Lane,Ste A Center Date Received 08/31/94 <br />' Stockton,CA 95207 Chent Contact Bob Marty Date Eairacted 08/31/94 <br /> Client P 0 Date Analyzed 08/31/94 <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 Re ion method GCFID(5030 <br /> Lab ID Client ID Matrix TPq4,b <br /> enzene Toluene Ethlne n- Xylenes Surrogate <br />' 40677 SP-1 to 4 S ND ND ND ND 99 <br /> 1 <br /> 1 <br /> - I <br /> Detection Limit unless other- W 50 ug/L 05 05 05 05 <br />' wise stated,ND means Not <br /> Detected g 10 mg/kg 0 005 0 005 0 005 0 005 <br /> *water samples arc reported in ug/L,soil samples in mg/kg,and all TCLP egracts 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 responsible for their interpretation a) unmodified or weakly modified gasoline is si�'icant,b) heavier gasoline <br /> range compounds are signtficant(age gasohne?),c)h ter gasoline range compoun3s(the most mobile fraction) <br /> are significant d) gasoline range compounds are significant,no recognizable pattern e) TPH pattern that does <br /> not appear to�e derived from gasoline W( ) f� one o a few isolated peaks present,g� strongly aged gasoline or <br /> diesel range compounds are significant,h) igliter than water immiscible phase is present <br />' DHS Certification No 1644 �� Edward Hamilton,Lab Director <br />