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' 110 Second Avenue South,#1D7, Pacheco,CA 94553 <br /> 4MCCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br />' http/hvww mccampbell co m E-mail main@mccanipbeli com <br /> s <br />' Advanced GeoEnvironmental Client Pio3ect ID Stockton Plating Date Sampled 06/27/97 <br /> 1803 West March Lane, Ste A Date Received 06/28/97 <br />' Stockton, CA 95207 Client Contact Bili Little Date Extracted 06/30-07/01/97 <br /> Client P O Date Analyzed 06/30-07/01/97 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,«ith MethNI tert-Butyl Ether* &BTEY* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bav Region)method GCFID(5030) <br />' Ethylben- %Recovery <br /> Lab ID Client ID Matrix TP1H(g)' MTBE Benzene Toluene zene Xylenes Surrogate <br /> 78175 MW-3 W I I0,c- 93 1 0 ND ND ND 105 <br />' 78176 MW-4 W 87,c 8 5 ND ND ND ND 103 <br /> 78177 MW-5 W 470,c,a 15 92 1 8 3 l 3 8 1 1 1 <br />' 78178 VW-1 W 160,000,a 1100 29,000 40 000 3800 19,000 106 <br /> 78179 VW-2 W 320,c,a 21 1 8 059 051 065 97 <br /> t78180 VW-3 W 53,000,a 710 11,000 1900 3500 6400 105 <br />' 78181 VW-4 W 2400,a 51 200 20 600 10 106 <br /> 1 <br /> 78182 Drum 1,2 W ND ND ND ND ND 0 85 102 <br /> 1 <br />' Reporting limit unless W 50 ug/L 5 0 05 05 05 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the repotting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br />' <br /> *water and vapor samples are reported in ug/L,wipe samples in ught rpe soil and sludge samples in mg/kg and all TCLP and SPLP LXtracts <br /> in ug/L <br />' "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'Ihe following descriptions of the TPH chromatogram are cursory in nature and Me(ampbell Analytical is not responsible for their <br /> utierprctauon a) unmodified or weakly modified gasoline is significant b) hca,rer gasolme range compounds are significant(aged <br />' gasoline'?) c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasolme range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasohne9,e)TPH pattern that does not appear to be dere ed from gasoline(?) 1} <br /> �1 one to a few isolated peaks present, g)strongly aged gasoline or diesel range compounds are significant h) lighter than eater immiscible <br /> / sheen is present,i)liquid sample that contains greater than—5 vol "/a sediment,j)no recognizable pattern <br /> DHS Certification No 1644 /V Edward Hamilton, Lab Director <br />