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y, 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> ® McCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' hip.//www mcc bell com E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Chase Madison Date Sampled 08/11/99 <br /> 4005 North Wilson Way Date Received 08/12/99 <br /> ' Stockton, CA 95205 Client Contact Kevin McKibben Date Extracted 08/12-08/13/99 <br /> ' Client P 0 Date Analyzed 08/12-08113199 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,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 /> Lab 1D Client ID Matnx TPH(g)` MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 17061 MW-4 W 160,a ND 29 10 8 1 32 110 <br /> 17062 MW-2 W ND ND ND ND ND ND 106 <br /> 17063 MW-1 W 52,a ND 053 1 9 15 61 104 <br /> 17064 MW-13 W 110,a ND 079 095 ND 22 102 <br /> ' 17065 MW-20A W ND ND ND ND ND 055 109 <br /> 17066 MA-20B W 54,a ND 061 1 7 069 27 105 <br /> ' 17067 MW-19A W ND ND ND 092 078 32 105 <br /> 17068 MW-I9B W ND ND 068 22 1 3 5 1 106 <br /> ' 17069 MW-21A W 2900,a,h ND<10 190 47 120 27 103 <br /> 17070 MW-21B W 1400,b ND ND<1 1 5 16 86 102 <br /> 1 <br /> Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> ' otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 10005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> ' in ug/I. <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> .The following descnpnons 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 /> gasoltne'r), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline9,e)TPH pattern that does not appear to be denved from gasoline(1),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 1644Edward Hamilton,Lab Director <br /> 1 <br />