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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 com E-mail mainQa mccampbell com <br /> ' Advanced GeoEnvironmental Client Project ID Chapin Bros Date Sampled 04/07/2000 <br /> 4005 North Wilson Way Date Received 04/11/2000 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 04/11-04/15/2000 <br /> ' Client P O Date Analyzed 04/11-04/15/2000 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California R, CB(SF Bay Region)method GCFID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- IXylenes %Recovery <br /> y <br /> zen a Surrogate <br /> 34917 MWI//04-07 W 3000,a ND<30 570 69 25 64 99 <br /> 00 <br /> ' 34918 MW 004- 07- W ND ND ND ND ND ND 101 <br /> 34919 MW3//04-07- W 7700,a ND<10 75 3 6 250 170 98 <br /> 00 <br /> ' 34420 MW 004-07 W 17,000,a ND<100 4300 190 300 1200 99 <br /> 34921 MW5/004-07- <br /> 00 <br /> W 1000,1 ND ND 1 2 ND 20 88 <br /> 34922 MW6/04-07- W ND ND ND ND ND <br /> 00 ND 99 <br /> 34923 VE1/00 <br /> 0 W 4-07- 1700,a ND 58 16 58 70 ..-" <br /> 34924 VE604 -07-0W 10,000,a ND<10 1800 32 830 390 --- <br /> Reporting <br /> —Reporting Limit unless W 50 u /L 5 0 <br /> otherwise stated,ND 05 05 05 05 <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 to ug/L,wipe samples in us/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> ' "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> ' imerpretatton a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline9), 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 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 1644 `Edward Hamilton,Lab Director <br /> 1 <br />