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110 Second Avt,nuc South,#D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> httn/h�w.w mccmccampbel]coin E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Cherokee Truck Stop Date Sampled 11/24/97 <br /> 4005 North Wilson Way I Date Received 11/25/97 <br /> Stockton,CA 95205 Client Contact Kevin McKibben Date Extracted 11/25/97 <br /> Client P O Date Analyzed 11/25-11/26/97 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasohne*, iNith Methm.I tert-But31 Ether* &BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602 California RWQC B(SF Bav Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 83335 SP-1 S 3 3,g ND ND 0 008 ND 0 009 100 <br /> 83336 SP-2 S 3 O,g ND ND (1005 ND 0 012 101 <br /> 83337 SP-3 S 1 O,g ND ND 0 007 ND 0 007 99 <br /> 83338 SP-4 S 1 4,g ND ND 0 006 ND 0 007 101 <br /> 83339 SP-5 S 3 l,g ND ND 0 006 ND 0 011 98 <br /> 83340 SP-6 S 10,g ND ND 0 007 ND 0 006 100 <br /> 83341 SP-7 S 3 7,g ND ND it 006 ND 0 006 97 <br /> 83342 SP-8 S 210,g ND<0 2 ND<0 01 0 068 0 085 0 23 95 <br /> 83343 SP-9 S 14,g ND ND 0 007 ND 0 011 100 <br /> 83344 SP-10 S 120,g,1 ND ND 0 058 ND 044 98 <br /> 83345 SP-11 S 31,g,1 ND ND 0 015 0 016 0 038 99 <br /> 83346 SP-12 S 23,gj ND ND 0 008 0 Ol 1 0 019 99 <br /> 83347 SP-13 S 120,gd ND ND (I(136 0 040 025 103 <br /> 83348 SP-14 S 64,g,) ND ND 0012 0 019 0 042 98 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br /> othemise stated ND <br /> means not detected above <br /> the ieporting limit S 1 0 mg/kg 0 05 000-') 0 005 0 005 0 005 <br /> ater and vapor samples are reported in ug/L,wipe samples in ugl\%ipe soil,ind sludge samples in mg/kg,and all TCLP and SPLP cvtracts <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 M,,Cainpbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakiy modified gasoline is signitic int b) header gasuline range compounds are significant(aged <br /> gasohne9), c) lighter gasoline range compounds (the most mobile lraction) are signilicant d) gasohne range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline',e)TPH pattern that does not appeal to be denved from gasoline(1) i) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds aie significant h) lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than--5 i of %sediment j)no recognizable pattern <br /> DHS Ceitification No 1644 Edwaid Hamilton, Lab Director <br />