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i <br /> McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> I Advanced GeoEnvironmental,Inc Chent Project ID Chase Chevrolet-Van Date Sampled 11/08/96 <br /> 1803 West March Lane,Suite A Buren <br /> Date Received 11/08/96 <br /> Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 11/10/96 <br /> Chent P O Date Analyzed 11/10/96 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasohne*,"ith Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030 modified 84t5 and 8020 or 642 California RW CB SF Ba Re ion method GCFID(5034 <br /> Lab ID Client ID Matrix TPH(g){ MTBE Benzene Toluene Etzen en Xylenes Rene Surroggaa <br /> te <br /> I71047 MW-3111-6-96 W 200,OOO,a ND< 170 19,000 50,000 3800 26,000 101 <br /> 71048 MW-6/11-6-96 W 5100,a ND< 95 290 110 380 860 100 <br /> I71049 MW-7111-6-96 W 14,OOO,a ND< IO 290 87 510 1900 98 <br />' 71050 MW-9/11-6-96 W 15,OOO,a ND< 38 250 71 940 3300 102 <br /> 71051 MW-10/11-6-96 W ND ND ND ND ND ND 95 <br /> 71052 MW-14/11-6-96 W ND ND ND ND ND ND 98 <br /> 71053 MW-15/11-6-96 W ND ND ND ND ND ND 103 <br /> 71054 MW-16/11-6-96 W ND ND ND ND ND 11 101 <br /> 71055 MW-17/I1-6-96 W ND ND ND ND ND ND 103 <br /> Reporting Limit unless W 50 ug/L 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 e-tracts in mg/L <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 significant,b) heavier asoline <br /> range compounds are sigiuficant(aged gasoline?),c) lightergasohne range compounds(the most mobile action) <br /> are sy.ificant, d) asohne range compounds having broad chromatographic peaks are significant, biologically <br />' altered gasohne2, e.5 TPH pattern that does not appear to be derived from gasoline (?),f) one to a few isolated <br /> peaks present,g)stronglyy aged gasoline or diesel ran a compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) hqutd sample that contains greater than- 5 vol % sediment,j) no recognizable pattern <br />' DHS Certification No 1644 _/ Edward Hamilton,Lab Director <br />