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TABLE 3
<br /> "GRAB" GROUNDWATER ANALYTICAL RESULTS
<br /> Gene Gabbard Inc.
<br /> 640 N. El Dorado Street, Stockton, CA
<br /> (results in parts per billion)
<br /> DATE SAMPLE ID TPHg TPHd TRPH B T E X VOCs Gasoline Total
<br /> Oxygenate Lead
<br /> Additives
<br /> 01/19/99 GASB1-26GW 2,700a,b,c,d 135,000c,dj,9 1140,000c,d 2.3 1 0.96 3.5 3.9 31 B,31 C,72G,D, 190E, 19F,
<br /> 210.1,91K <5/<25 <5.0
<br /> 170, 520, 520 110A, 21 B, 35
<br /> GASB3-31GW 4,5OOc,e 570,OOOc,f,h,i 16,OOO,OOOc 1801 6401 95'1101 8701 44H, 550I, 680J, 33K, 170L, <17/<85 96
<br /> 270M,97N
<br /> 10/26/99 LGAB SB4 GW 26 <50 110 i,h <1,000 <0.5 10.5 10.5 10.5 ND <5/<25 9.9
<br /> GAB SB5 GW 26 340e 8201,f <1,000 7.8,6.9j 1.3 1.4j 13 13j 19 221 1.612, 23E, 2.7Q, 2.7F, 32R, <5/<25 39 •
<br /> 3.3G,3.9K,15M,2.5N,
<br /> GAB SB6 GW 29 <50 1601 <1,000 <0.5 1 <0.5 <0.5 <0.5 ND <5/<25 120
<br /> 10/27/99 GAB SB7 GW 24 150 1 150 <1,000 <0.5 1.6,1.7' <0.5 <0.5 ND <5/<25 550
<br /> GAB S138 GW 26 <50 <50 <1,000 <0.5 0.80 <0.5 <0.5 ND <5/<25 330
<br /> 05/06/03 GA SBI 1-25 GW 150 <50 NES <0.5 1 10.5 10.5 <1.0 1.9v <0.5/<5.0
<br /> 05/17/03 GA SB10-25 GW150 <50 <1,000 <0.5 <0.5 <0.5 <1.0 0.6R,2.OS,7.9T <0.5/<5.0
<br /> GA SB10-49 GW 150 <50 11,000 <0.5 10.5 <0.5 <1.0 5.5R,25Ty 2 O <0.5/<5.0
<br /> 05/23/03 GA SB9-30 GW <50 <50 <1,000 <0.5 <0.5 <0.5 1 <1.0 1.75,5.5T 10.5/15.0
<br /> NOTES:
<br /> Gasoline Oxygenate Additives analyzed by EPA 8260 I = Surrogate diluted out of range.
<br /> A = Acetone
<br /> BTEX = Benzene,toluene,ethylbenzene,xylenes analyzed by EPA 8020/8260 B = n-Butyl benzene
<br /> TPHg = Total Petroleum Hydrocarbons as gasoline(EPA 8015m) C = sec-Butyl benzene
<br /> TPHd = Total Petroleum Hydrocarbons as diesel(EPA 8015m) D = tert-Butyl benzene
<br /> TRPH = Total Recoverable Petroleum Hydrocarbons(EPA418.1/5520) E = 1,2-Dichlorobenzene •
<br /> VOCs = Volatile Organic Constituents(EPA 8260) F = 1,4-Dichlorobenzene
<br /> < = Not detected at reported detection limit G = Isopropylbenzene
<br /> ND = Not detected(detection limit varies,see laboratory report) H = Methyl butyl ketone
<br /> NES = Not enough sample availabsle for analysis. I = Methyl isobutyl ketone
<br /> a = Heavier gasoline range compounds are significant(aged gasoline?) J = Naphthalene
<br /> b = No recognizable pattern K = n-Propyl benzene
<br /> c = Lighter than water immiscible sheen is present L = 1,2,3-Trichloropropane
<br /> d = Liquid sample that contains greater than-5 vol.%sediment M = 1,2,4-Trimethylbenzene
<br /> e = Unmodified or weakly modified gasoline is significant N = 1,3,5-Trimethylbenzene
<br /> f = Gasoline range compounds are significant P = Chlorobenzene
<br /> g = Unmodified or weakly modified diesel is significant Q = 1,3-Dichlorobenzene
<br /> h = Oil range compounds are significant R = cis-1,2-Dichloroethene
<br /> I = Diesel range compounds are significant;no recognizable pattern S = Chloroform
<br /> j = Result from EPA Method 8260
<br /> k = Approximate concentration,interferance from gasoline and heavy U = Trichloroethene
<br /> hydrocarbon range constituents V = 1,1,2,2-Tertachloroethane
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