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I 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www Mggamobell coin E-mail main@mccampbell com <br /> r <br />' Advanced GeoEnvironmental Client Project ID Ripon Farm Service Date Sampled 05/29/98 <br /> t 4005 North Wilson Way Date Received 06/02/98 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 06/04/98 <br /> Client P O Date Analyzed 06/04-06/08198 <br /> Diesel Range(C10-C23)Extractable H)drocarbons as Diesel <br /> EPA methods modified 13015,and 3550 or 3510,California RWQCB(SF Hay Region)method GCF1D(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)- %Recovery <br /> Surrogate <br /> 89899 MW1/5-29-98 W 390,d,b 100 <br /> 89900 MW2/5-29-98 W 1900,d,b 102 <br />' 89901 MW3/5-29-98 W 2100,a 101 <br /> 89902 M W4/5-29-98 W 160,a 101 <br /> 89903 MW5/5-29-98 W 180,c 101 <br /> 89904 MW6/5-29-98 W 2200,b,d 102 <br />'• 89905 MW7/5-29-98 W 1000,b 100 <br /> 89906 MW8/5-29-98 W 1100,b 100 <br />' 89907 VW1"/5-29-98 W 8200,a,d 101 <br /> 89908 VW 1 B/5-29-98 W 130,b 100 <br /> 89909 VW2A/5-29-98 W 6200,d,a 102 <br />' 89910 VW2B/5-29-98 W 490,a 102 <br /> Reporting Limit unless otherwise W 50 ug/L <br /> ' stated ND means not detected above <br /> the reporting limit S l 0 mg/kg <br /> •water and vapor samples are reported in uglL,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 descnptions 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 diesels 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 /> 1 <br />