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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell coin E-mail main@mccampbeIl corn <br />' Advanced GeoEnvironmental Client Project ID D I K Tracy Ent Date Sampled 11/29/01 <br /> 837 Shaw Road Date Received 11/30/01 <br />' Stockton,CA 95215 Client Contact Tun Cuellar I Date Extracted 11/30-12112/01 <br />' Client P O Date Analyzed 11/30-12/12/01 <br /> Gasoline Range (C&C12)Volatile Hydrocarbons as Gasoline*, with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602 California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethyl- %Recovery <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene benzene Xylenes Surrogate <br /> 84503 20)1 6'2901 W 1100,a ND 190 16 14 26 --8 <br /> 84504 P 16(36 W ND ND ND ND ND ND 104 <br /> 40)/112901 <br /> 84505 P16(96- W ND ND ND ND ND ND 106 <br />' 100)/112901 <br /> 84506 P]6(76- W ND ND ND ND ND ND 107 <br /> 80)/112901 <br /> 84507 P16(114- W 54,a ND 1 6 059 ND 1 0 106 <br />' 118)1112901 <br /> 84508 P17(18 W 740,a 70 35 17 30 120 102 <br /> 1-2)/112901 <br /> 84509 P I7(42- <br /> W 260,a ND 1 3 1 3 25 12 107 <br /> 46)1112901 <br /> 84510 80)/112901 7(776- W 740,a ND 16 11 20 86 --- <br /> 1 <br />' Reporting Limit unless W 50 ug/L 50 05 05 0 5 - 05 <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,wipe samples in ug/wipe,soil and sludge samples in mgrkg,and all TCLP and SPLP extracts <br /> in ug/L <br />' "cluttered chromatogram,sample peak coelutes with surrogate peals <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />' interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline) c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(?),f) <br /> . one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant, h)lighter than water immiscible <br /> sheen 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 /> 1 <br />