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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> 16McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> 1 Advanced GeoEnvironmental,Inc Client Project ID Chase Chevrolet- Date Sampled 02/04/97 <br /> 1803 West March Lane,Suite A Madison <br /> Date Received 02/05/97 <br /> ' Stockton,CA 95207 Client Contact Bill Little Date Extracted 02105-02106197 <br /> Client P O Date Analyzed 02105-02106197 <br /> ' Gasoline Range(C6-Cl2) Volatile Hydrocarbons as Gasoline*,fiuth Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF Bay Re on method GCFID(5030 <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes % Rec <br /> zene Surrogate <br /> 73473 MW 13/2-4-97 W ND ND ND ND ND ND 102 <br /> ' 73474 MW18/2-4-97 W ND ND ND ND ND ND 102 <br /> 73475 MW1/2-4-97 W 850,bd ND 97 25 71 230 101 <br /> ' 73476 MW2/2-4-97 W ND ND ND ND ND ND 102 <br /> 73477 MW4/2-4-97 W I ND ND ND ND ND ND 103 <br /> 1 73478 MW5/2-4-97 W 170,b ND ND NTD ND 22 102 <br /> 73479 MW8/2-4-97 W ND ND ND ND ND ND 100 <br /> 73480 MW 11/2-4-97 W ND ND ND ND ND ND 104 <br /> 73481 MW12/2-4-97 W ND ND ND ND ND ND 105 <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 m ug/L,soil and sludge samples in mg/kg,and all TCLP extracts 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 McCampbelI Analytical is not <br /> responsible for their interpretation a)unmodified or weakly modified gasoline is significant,b} heavier gasoline <br /> range compounds are significant(aged gasoline,)),c)lithter gasolme range compounds(the most mobile fraction) <br /> ' are significant, d} asollme range compounds having road chromatoggrraphic peaks are significant,biologically <br /> altered gasoline), e} TPH pattern that does not appear to be derived from gasoline (v),fJ one to a few isolated <br /> peaks present,g)strong]yaged gasalme or diesel range compounds are significant,h)lighter than water immisciblesheen is present,i) liquid sample that contains greater than, 5 vol % sediment,j)no recognizable pattern <br /> DHS Certification No 1644 /�� 'Edward Hamilton,Lab Director <br />