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1110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' AdAnnced GeoEnvironmental Client Project ID Guardino&tw <br /> 09/19/95 <br /> 1803 West March Lane, Ste A d 09/20/95 <br /> ' Stockton,CA 95207 Client Contact Bob Marty Date x1raced 09120-09124195 <br /> Client P 4 Date Anal}Led 09120-09/24195 <br /> ' Gasoline Range(C6-C12) Volatile Hldrocarbons as Gasoline*,N{nth BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602 California RW CB SF BaF Re on method G CFED 5030 <br /> Ethylben- lens %Reecc <br /> ' Lab ID Client ID Matrix TPH(g)} Benzene Toluene zene X?' Surrogate <br /> 56586 P1-Water W ND,i <br /> 13 48 ND 26 104 <br /> ' 56589 P 1-20' S ND ND ND ND ND 110 <br /> 56590 P 1-25' S ND ND ND ND ND 108 <br /> ' 56593 P2-20' S 33 a 028 037 039 27 109 <br /> 56594 P2-25' S ND b ND ND ND 0 020 107 <br /> ' 56596 P3-10' S 230,b 046 28 26 19 110 <br /> 56597 P3-20' S 18 a 0 080 Oil 0 029 025 IOU <br /> • 56598 P3-25' S 12 b d ND 0 017 0 010 0 067 106 <br /> ' Reporting Lnnit unless other- W 50 uglL 05 05 05 05 <br /> noise stated,ND means not de- <br /> tected abo-,e the reporting limit g 10 mg/kg 0 005 0 005 0005 <br /> 0 005 <br /> # water and Nnpor samples are reported in ug/L,soil samples in -rig/kg,and all TCLP extracts in mg/L <br /> cluttered chromatogram sample peak coelutes with surrogate peak <br /> ' + The folloning descri tions of the TPH chromatogram are cur.,ory in nature and McCampbell Analytical is not <br /> responsible for their inerpreiation a}unmodified or weakly modified gasoline is significant,b) heavier gasoline <br /> range compounds are siggniiificant(age gasoline?),c)liggliter asoime range compounds(the most mobile faction)) <br /> are significant, d) aso.gni range compounds haling broa chromatographic peaks are sigiiil to a f w isolated <br /> altered gasolmel,e� TPH pattern that does not appear to be derived from gasoline (?),f) <br /> one sheenpsareser i) liquid ample hat con aims grcatesel e than—compounds % sediment,j)nt )no recognizable patterncible <br /> p <br /> ' DHS Certification No 1644 / Edvurd Hamilton,Lab Director <br />