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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 /> Advanced GeoEnvironmental,Inc Client Project ID Grant Line Gas & Date Sampled 03/25/97 <br /> 1803 West March Lane, Suite A Food <br /> Date Received 03/26/97 <br /> Stockton,CA 95207 CIient Contact Bill Little Date Extracted 03/29-03/31/97 <br /> Client P O Date Analyzed 03/29-04/01/97 <br /> Gasoline Range(C&C12) Volatile Hydrocarbons as Gasoline*,iuth Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Bav Region)method GCF]D 5030) <br /> Lab ID Client ID Matrix TPH(g)+ I MTBE Benzene Toluene Etzen e en- Xylenes % Rec <br /> zenSurrogate <br /> 74778 MW 113-25-97 W 190,c,b 100 54 ND ND 35 103 <br /> 74779 MW2/3-25-97 W ND ND ND 098 ND 13 103 <br /> 74780 MW3/3-25-97 W ND ND ND ND ND ND 105 <br /> I74781 MW4/3-25-97 W 190,c,h 37 73 ND 053 081 103 <br /> 74782 MW5/3-25-97 W 170,8 33 ND ND ND ND 102 <br /> 74783 MW6/3-25-97 W ND ND ND ND ND ND 98 <br /> lie <br /> I <br /> Reporting Limit unless W 50 uglL 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br /> above the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br />' *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg1L <br /> #cluttered chromatogram,sample peak coelutes 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 weakly modified gasoline is siriificant b) heavier gasoline <br /> range compounds are sigiificant(aged gasoline9),c)hghter gasoline range compounds(the most mobile traction) <br />' are significant, d) asolme range compounds having broad chromatographic peaks are significant, biologically <br /> altered gasoline?, e TPH pattern that does not appear to be derived from gasoline (9), fl one to a few isolated <br /> . peaks present,g)strong I aged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) liquidd sample that contains greater than- 5 vol % sediment,J) no recognizable pattern <br /> DHS Certification No 1644 // Edward Hamilton,Lab Director <br />