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i <br /> s5 • <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> Advanced GeoEnvironmental,Inc Client Project lD Stockton Plating Date Sampled 12/16/96 <br /> 1803 West March Lane, Suite A Date Received 12/17/96 <br /> Stockton,CA 95207 Client Contact Bill Little Date Extracted 12/17-12/18/96 <br /> Client P 0 Dale Analyzed 12/17-12/18/96 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,\\nth Meth3i tort-But)i Ether* &BTEX* <br /> EP,k methods 5030 modified 8015 and 8020 or 602 Caldorn]a R\\' CEi SF Bay Region method GCF1D 5030 <br /> MTBE Benzene Toluene Ethylben- lenes % Rec <br /> zene � Xy <br /> Lab ID Client ID Matrix TPH(g) I Surrogate <br /> 72128 MW4/12-16-96 W I ND ND ND ND ND ND 101 <br /> W 190,000,a i00 29,000 40,000 3600 18,000 I 105 <br /> 72129 V1'J1/12-16-96 <br /> 72130 VW2/12-16-96 W 430 a I 30 44 1 5 5 1 12 � 103 <br /> 72131 V\V3/12-16-96 W 120 000 a 450 24,000 1 21 000 3400 11,000 105 <br /> E7/21=32VW4/12-16-96 W 3100,a 39 490 20 730 12 102 <br /> 72133 DI D2 W I ND ND ND ND ND ND 10.3 <br /> k <br /> Reporting Limit unless W 50 ug/L 50 05 0 5 �70 5 05 <br /> othemise stated,ND <br /> means not detected <br /> abo\e the reporting limit S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> *\tater and\aper samples are reported in 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 follo%Ning 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 siriificant,b) heavier asoline <br /> range compounds are siggnnificant(aged gasoline?),c) hggliter gasoline range compounds(tile most mobile faction) <br /> are si�iificant, d) asofine range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasohne?,eg} TPH pattern that does not appear to be deriNtd from gasoline (7), f) one to a few isolated <br /> peaks present,g)strong/gaged asoline or diesel range compounds arc significant,h)lighter than water immiscible <br /> sheen is present,i) liquid samp�e that contains greaser than— 5 vol /o sediment,j) no recognizable pattern <br /> DHS Certification No 1644 ZV Edward Hamilton,Lab Director <br />