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110 Second A%enue South,#D7,Pacheco,CA 94553 <br /> MCCA DBELL ANALYTICAL INTC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//wA%vmccarnpbeJ1coni E-mail mainCmccampbell torr <br /> Advanced GeoEnvironrnental Client Project ID Cherokee Truck Stop Date Sampled 09118-09122197 <br /> 1803 West March Lane, Ste A Date Received 09/23/97 <br /> Stockton, CA 95207 Client Contact Kevin McKibben Date Extracted 09/23/97 <br /> Client P Q Date Analyzed 09123-09129197 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasohne*,iiith Methyl tert-Butyl Ether* & BTEX* <br /> PPA methods 5030,modified$015,and 8020 or 602,California RWQCB(SF[lay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 81043 T2-E S 2200,a ND<7 8 95 45 32 64 98 <br /> 81044 T3-E S 2500,a ND<12 13 78 35 140 103 <br /> 81045 T3-W S 520,8,) ND<0 3 ND<0 02 I 020 023 088 103 <br /> 81046 T4-E S 960,8,) \D13 7 1 5 082 24 26 98 <br /> 81047 T4-W S ND ND ND ND ND ND 100 <br /> 81048 T5-E S ND 016 ND I \D ND ND 102 <br /> 81049 T6-N S 6S,a 22 0 063 0 054 056 024 99 <br /> 81050 T6-17 S 1000,a 17 SS 55 14 40 104 <br /> i <br /> Reporting Limit unless W 50 ug/L. 5 0 0 (15 0 5 05 <br /> othem ise stated,ND <br /> means notdetected above S f 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> •�.ater and vapor samples are reported in ue/L,wipe samples to u¢ht ipe,soil and sludge samples in mglkg and all TCLP and SPLP extracts <br /> in tiviL <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 /> gasoline"), c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds haying broad <br /> i <br /> chromatographic peaks are significant,biologically altered gasoline' e)TPH pattern that does not appear to be denved from gasoline(9) f) <br /> one to a few isolated peaks present,g) strongly aged gasoline or diesel iange 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 />