ARCHIVED REPORTS XR0007845 - Laserfiche WebLink

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TABS SOIL ANALYTICAL RESULTS Gene Gabbard Inc. 640 N. El Dorado Street, Stockton, CA Page 2 of 2 (results in parts per million) Ethyl _ Gasoline- Total Date Sample ID TPHg TPHd TRPH Benzene Toluene benzene Xylenes VOCs Oxygenate -Lead - Additives - 10/27/99 GAB SB7 20 <1 0 <1 0 <10 <0 005 <0 005 1 <0 005 <0 005 ND <0 005!<0 025 78 GAB SB7 31 <1 0 <1 0 <10 <0 005 <0 005 <0 005 <0 005 ND <0 0051<0 025 54 GAB 588 20 <1 0 <1 0 <10 <0 005 <0 005 <0 005 <0 005 ND <0 0051<0 025 63 • GAB SB8 31 1 <10 <1 0 1 <10 I <0 005 <0 005 <0 005 <0 005 ND <0 0051<0 025 68 NOTES Benzene,toluene,ethylberizene,xylenes analSzed bN EPA 8020/8260 A = Acetone Gasoline 05ngenate Additives analyzed bN EPA 8260 B = n-Butyl benzene TPHg = Total Petroleum Hydrocarbons as gasoline(EPA 8015m) C = sec-ButNI benzene TPHd = Total Petroleum Hydrocarbons as diesel(EPA 8015m) D = 1,2-Dichlorobenzene TRPH = Total Recoverable Petroleum Hydrocarbons (EPA418 115520) E = lsopropylbenzene VOCs = Volatile Organic Constituents(EPA 8260) F = Methyl butyl keytone < = Not detected at reported detection limit G = p-Isopropyl toluene ND = Not detected(detection limit vanes,see laboratory report) H = Methyl isobutyl ketone a = TPH pattern does not appear to be dere ed from gasoline(stoddard soli ent9) I — Naphthalene b = Heavier gasoline range compounds are significant(aged gasoline?) J = n-Propyl benzene C = Unmodified or weakly modified gasoline is significant K = 1,2,3-Tnchloropropane d = Strongly aged gasoline or diesel range compounds are significant L = 1,2,4-Tnmethylbenzene e = Unmodified or yveakly modified diesel is significant M = 1,3,5-Tnmethylbenzene f Gasoline range compounds are significant N = 2-Chlorotoluene g = Diesel range compounds are significant,no recognizable pattern h = Oil range compounds are significant i = No recognizable pattern = Medium boiling point pattern that does not match diesel(kerosene?) k = Result from EPA Method 8260