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110 2nd Avenue South,##D7,Pacheco,CA 9455 3-5 560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' ,//www mccampbell cnm E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Mel Bokides Petro Date Sampled 02/24/99 <br /> 4005 North Wilson Way Date Received 02/25/99 <br /> ' Stockton,CA 95205 Client Contact Bill Little Date Extracted 02/25/99 <br /> Client P O Date Analyzed 02/26-03102/99 <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 1D Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 03970 MW5/2-23-99 W ND 94 <br /> 03971 BMW5/2-23-99 W 100,d,b 97 <br /> 03972 BMW2/2-23-99 W 68,b 95 <br />' 03973 BMW1/2-23-99 W 110,b 100 <br /> 03974 BMW4/2-23-99 W 6800,d,b 96 <br />' 03975 BMW3/2-23-99 W ND 96 <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/wipe,soil and sludge samples in mg/kg,and all TCLP/STLC/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 /> diminished 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 /> aged 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 %sediment <br /> DHS Certification No 1644 /Edward Hamilton, Lab Director <br />