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I 10 2nd Avenue South,##D7,Pacheco,CA 94553-5560 <br /> 14 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell corn E-mail main@mccampbell corn <br />' Advanced GeoEnvirorunental Client Project ID West Clay Properties Date Sampled 07/19/2001 <br /> 837 Shaw Road Date Received 07/23/2001 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 07/23/2001 <br /> Client P O Date Analyzed 07/25/2001 <br />' Diesel Range(C1U-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br />' Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 73119 EW2H2O/4GAL W 1600,d 108 <br />' 73120 EW2H2O/5GAL W 680,a 100 <br /> 1 <br /> Reporting Lirrnt unless otherwise W 50 ug/L <br /> stated,ND means not detected above - <br /> the reporting limit S 1 0 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/STLC I SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> dirmnished by dilution of original extract <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 diesel is significant,b)diesel range compounds are significant,no recognizable pattern c) <br /> . The <br /> diesel?is significant) d)gasoline range compounds are significant,e)medium boiling point pattern that does not match diesel(9), f) <br /> one to a few isolated peaks present, g) oil range compounds are significant, h)lighter than water immiscible sheen is present, i) liquid <br /> sample that contains greater than—5 vol N.sediment <br />' DHS Certification No 1644 Edward Hamilton,Lab Director <br />