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110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC Teie 510-798-1620 Fax 510-798-1622 <br /> ' Advanced GeoEnvironmental Client Protect ID Chase Chevrolet- Date Sampled 09/26-09/28/95 <br /> 1803 West March Lane,Ste A Madison <br /> Date Received 09/29/95 <br /> ' Stockton,CA 95207 Client Contact Kevin.McKibben Date Extracted 09/29/95 <br /> Chent P O Date Analyzed 09/29/95 <br /> ' Gasoline Range(C6-C12) Volatile Hidrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5030 modified 8013 and 8020 or 602 California RNV CB 5F Ba,.Region)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Benzene Toluene Ethylbeen- Xylenes I Surrogate% azcn <br /> 56919 MW 11-25 S ND ND ND ND ND 98 <br /> ' 56920 M W 12-25 S ND ND ND ND ND 101 <br /> 56921 MW 13-25 S ND ND ND ND ND 101 <br /> Reporting Limit unless other- W 50 ug/L 05 05 05 05 <br /> %vise stated,ND means not de- <br /> tected above the reporting limit S 10 mg/kg 0 00r 0 005 0 005 0 005 <br /> *mater and vapor samples are reported in ug/L, soil samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram, sample peak coelutes NNith surrogate peak <br /> + The following descrilions of the TPH chromatogram are cur,o in nature and McCampbell Anahtical is not <br /> ' responsible for their interpretation a) unmodified or Nieakly modified gasoline is sigstficant,b) heaviergasoline <br /> range compounds are si��rriiificant(aged gasoline?) c)liter pasoline range compoun s(the most mobile faction) <br /> are significant, d) asofuie range compounds halving road chromatographic peaks are significant,biologically <br /> altered gasoline?,e.5 TPH pattern thaf does not appear to be dcrived Trom gasoline (?),f) one to a few isolated <br /> ' peaks present, )stronglvagedjasolmeordiesel ran ecompotmLsaresignificant,h)lighterthaniraterimmiscible <br /> sheen is present,i ) liquid sampe that contains greater than- 5 0l % sediment,j) no recognizable pattern <br /> �1 <br /> DHS Certification No 1644 /// Edward Hamilton,Lab Director <br />