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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hnp, ,wN E-mail main@mccampbell com <br /> Date Sampled 08/03/99 <br /> F4101 <br /> ed GeoEnvironmentalTntject ID Five Starr Manna <br /> Date Received 08/04/99 <br /> orth Wilson Way <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 08104-08/05199 <br /> Client P O Date Analyzed 08104-08105199 <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 GCFID(5030) %Recovery <br /> Lab ID Client ID Matrix TPH(g)` MTBE Benzene Toluene Ethzeneen- Xylenes Surrogate <br /> 16618 MW-1 W 3700,a ND<60 240 17 29 90 <br /> ]10 <br /> 16619 MW-3 W 110,a ND 44 15 42 19 103 <br /> 16620 MW-4 W 170,a 73 99 27 64 29 104 <br /> 1 16621 MW-5 W 120,a ND 39 13 38 17 95 <br /> 16622 MW-6 W ND ND ND ND ND ND 108 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> "water and vapor samples are reported in ug1L,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> in ug1L <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 gasoline range compounds are significant(aged <br /> ' gasoline'), 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 derived from gasoline(9), <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 Jod—Edward Hamilton,Lab Director <br />