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110 gnu kvenue South,TrD7,Pacheco, C A�94553-5560 <br /> MCCI'V PBE��, AINT T Y''_ICAL 2qC I Telephone 925-798-1620 Fax 925-198-1622 <br /> 14 htto/lwww-nccarnpbc�l corn E-mail mamGmccampoell cam <br /> Advanced GeoEnvirontnental Chent Project ID National Freight <br /> Date Sampled 02/14/02 <br /> 837 Shaw Road Date Received 02/20/02 <br /> Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 02/20/02 <br /> Chent P O Date Analyzed 02120-02125102 <br />' Diesel Range(ClO-C'23)Extractable Hydrocarbons as Diesel * <br /> Bp AL methods modified 8015,and 3550 or 3510 Cahfom.a RWQCS(SF Bay Region)method GCFTD(3550)or GCF1D('-510) <br /> %Recovexv <br /> Lab ID Client ID Matrix TI'H(d)* Surrogate <br /> 90830 M<N4-50 S ND 99 <br />' 90832 i MW4-60 S ND 100 <br /> 9083A MW4-70 S ND 99 <br /> 90843 B1-45 S I ND 102 <br /> II <br /> I • <br /> 1 <br /> Reporting Limit unless otherwise W 50 uglL <br /> stated,ND means not detected above <br /> the reporting limit S 1 0 mg/kg <br /> *water and vapor sarnpies are reported in uglL,wipe samples in ug/w.pe,soil and sludge sampies in mgikg,and ail TCL?1 STLC 1 SPL? <br /> ' extracts in ug/L <br /> "cluttered chromatogram resulting in coeiuted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of ong.nai extract <br /> ' *The following descriptions of the TPH chmmatogram are cursory in nature and McCanrpbell 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(%f) <br /> one to a few isolated peaks present, g) oil range compounas are significant, h) lighter than water immiscible sheen .s present, i) liquid <br /> ' sample that contains greater than.—5 vol %sediment <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />