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i <br /> T <br /> 110 2nd Avenue South,#fD7,Pacheco,CA 94553-5560 <br /> McCAWBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> h=/lwww.mccamp ell.com E-mail:maint`a mccampbell.com <br /> Date Sampled: 05127-05128/99 <br /> Advanced GeoEnvironmental Client Project ID: Junco Truck Plaza <br /> Date Received: 06/02/99 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 06/02/99 <br /> Client P.O: Date Analyzed:06103-06109/99 <br /> ' Diesel Range(C10-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 /> 12457 B5-25 S 10,a 103 <br /> ' 12458 136-10 S 6700,a 103 <br /> 12459 136-20 S 720,a 108 <br /> ' 12460 B6-25 S 5.8,a 115 <br /> 12461 137-10 S ND 106 <br /> 12462 B7-20 S 580,a 109 <br /> 12464 B$-10 S 1.6,b 109 <br /> 12465 B8-20 S ND 112 <br /> ' 12466 139-10 S 22,a 111 <br /> 12467 B10-10 S ND 105 <br /> ' 12468 1311-10 S ND 109 <br /> 12469 B12-10 S ND 109 <br /> ' 12470 1313-15 S ND 112 <br /> 12471 B14-10 S ND 114 <br /> 12472 B15-10 S ND 112 <br /> ' Reporting Limit 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/wipc,soil and sludge samples in mg/kg,and all TCLP/STLC/SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in eoeluted surrogate and sample peaks,or;surrogate peak is on elevated baseline,or;surrogate has been <br /> ' diminished by dilution of original extract. <br /> `rhe 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 /> aged diesel?is significant);d)gasoline range compounds are significant;e)medium boiling point pattern that does not match diesel(?);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.%sediment. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />