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i <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Advanced GeoEnvironmental Client Project ID Grant Line Gas& Food Date Sampled 06/04/96 <br /> 1803 West March Lane, Ste A Date Received 06/05/96 <br /> Stockton,CA 95207 Client Contact Bill Little Date Extracted 06/05-06/06/96 <br /> Client P O Date Analyzed 06105-06/06/96 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with MTBE&BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Bay Re ion method GCFID(5030 � <br /> Lab ID Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethylben- Xylenes % Rec <br />' zene Surrogate <br /> 65643 M W 1/6-4-96 W 260,a 61 94 ND 0 80 8 6 101 <br />' 65644 MW2/6-4-96 W 240,a ND 22 ND 96 13 100 <br /> 65645 MW3/6-4-96 W ND ND ND ND ND ND 97 <br />' 65646 M W4/6-4-96 W 420,b,d,h 68 68 ND 15 092 100 <br /> 65647 MW5/6-4-96 W 460,b,d,h 78 12 ND ND 068 102 <br />' 65648 MW6/6-4-96 W ND 64 ND ND ND ND 99 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br />' otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br />' * water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts in mg/L <br /> 9 cluttered chromatogram, sample peak coelutes with surrogate peak <br /> 1 + 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 significant,b) heavier gasolme <br /> range compounds are significant(aged gasoline9),c)lighter asohne range compounds(the most mobile fraction) <br /> are significant, d) aso)ine range compounds having roaRhromato aphic peaks are significant, biologically <br />' altered gasolme9, e� TPH pattern that does not appear to be derived om gasoline (9), f) one to a few isolated <br /> peaks present,g)stronglyaged gasoline or d iesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present, i) liquid sam0e that contains greater than 5 vol % sediment,j) no recognizable pattern 1 <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />