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I 10 Second Avenue South,#D7,Pacheco,CA 94553
<br />' McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622
<br /> h /hk-A-r mccam bell corn E-mail mam@mccampbell com
<br />' Advanced GeoEnvironrnental Client Project ID Larry's Auto Date Sampled 10/27/97
<br />' 4005 North Wilson Way Date Received 10/28/97
<br /> Stockton,CA 95205 Client Contact Kevin McKibben I Date Extracted 10/30-10/31/97
<br />' Client P O Date Analyzed 10/30-10/31/97
<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 RWQCB(SF Bay Region)method GCF1D(5030)
<br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery
<br /> zene Surrogate
<br /> 82317 MW-I W 2800,a 100& 200 64 30 120 96
<br />' 82318 MW-2 W 7500,a 35 1500 870 110 590 107
<br />' 82319 MW-3 W 590,c,a 151, 94 12 50 6 3 95
<br /> 82320 MW-4 W 170,000,a,h 690 34,000 31,000 2600 16,000 99
<br />' 82321 MW-7 W I1,000,a 621, 580 11 150 460 106
<br /> 82322 VW-2B W 160,000,a 1800 40,000 30,000 2800 13,000 99
<br /> 82323 VW-3 W 150,000,a 1700 36,000 23,000 3000 14,000 98
<br /> 82324 VW-4 W II0,000,a 1300 25,000 19,000 2400 12,000 99
<br /> 82325 VW-5B W 170,000,a,h 240 22,000 43,000 3900 19,000 99
<br /> 82326 VW-5C W 130,000,a,h 510 21,000 27,000 3400 16,000 98
<br /> --T
<br /> Result not in substantial agreement with EPA 8260 result,presumably due to the less certain compound identification/
<br />' resolution inherent in EPA 8020 Other MTBE values on this page may fall below 8260 reporting limit
<br />' Reporting Limit unless
<br /> W 50ug/L 50 OS 05 OS 05
<br /> otherwise stated,ND
<br />' means not detected above
<br /> the reporting limit m S 1 0 /k 0 05 0 005 0 005 0 005 0 005
<br /> mg/kg
<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/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 /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasolsne iange compounds are significant(aged
<br /> gasoline), c) lighter gasoline range compounds (the most mobile fraction) aie significant d) gasoline range compounds having broad
<br /> chromatographic peaks are significant,biologically altered gasoline9,e)TPH pattern that does not appear to be derived from gasoline(9),f)
<br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water imirnscible
<br /> sheen is present,i)liquid sample that contains greater than--5 vol %sediment,a)no recognizable pattern
<br /> DHS Certification No 1644 t/ Edward Hamilton,Lab Director
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