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I <br /> 110 2nd Avcnue South, #D7, Pacheco,CA 94553 <br />' McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' Advanced GeoEnvironmental Client Project ID Stewarts Beacon Date Sampled 01/22/96 <br /> 1803 West March Lane,Ste A Date Received 01/24/96 <br /> Stockton,CA 95207 Client Contact Kevin McKibben Date Extracted 01/24/96 <br /> Client P O Date Analyzed 01/24/96 <br />' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,with BTEX* <br /> EPA methods 5034 modified 8015 and 8020 or 602 Californea RW CB SF Bay Region)method GCF1D'5030 <br /> Lab ID Client ID Matrix TPH(g)} Benzene Toluene Ethylben- Xylenes % Rec <br />' zene Surrogate <br /> 60680 B-911-22-96 W ND ND ND ND ND 103 <br /> 60681 135-13 S 37,b,d 0 005 0 057 015 027 117# <br /> 60682 135-15 S 3 6,b,d ND ND 0 044 0 075 106 <br />' 60683 B6-13 S 2 7,b,d 0 009 0 013 0 060 016 107 <br /> 60684 116-15 S ND ND ND ND ND 106 <br /> 60685 B7-12 S ND ND ND ND ND i 105 <br /> 60686 B8-12 S ND ND ND ND ND 107 <br /> 60687 B9-13 S ND ND ND ND ND 107 <br /> Reporting Limit unless other- W 50 ug/L 05 05 05 05 <br /> wise stated,ND means not de- <br /> tected above the reporting limit S 10 mglkg 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,soil samples in mg/kg,and all TCLP extracts m mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> + The following descrntions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a) unmodified or weakly modified gasoline is sifiificant,b) heavier gasoline <br /> range compounds are sngnificant(aged gasoline?),c)hghter gasoline range compounds(the most mobile fraction) <br /> are significant, d) asolnne range compounds having broad chromato7aphnc peaks are significant, biologically <br /> altered gasoline?,e� TPH pattern thaf does not appear to be derived from gasoline (?),f) one to a few isolated <br /> peaks present,g)strongIyaged asolnne ordneselrange compoundsare sign cant,h)lighter than water immiscible <br /> sheen is present,i) liquid samp�e that contains greater than.- 5 vol % sednment,3) no recognizable pattern <br />' DHS Certification No 1644 /!,f Edward Hamilton,Lab Director <br /> r <br />