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TAX 3
<br /> GROUNDWATER ANALYTICAL RESULTS
<br /> JANUARY 19, 1999 b
<br /> Gene Gabbard Inc.
<br /> 640 N. El Dorado Street, Stockton,CA
<br /> (results in parts per billion)
<br /> - _ - - -Gasoline Total
<br /> —SAMPLE ID - TPH9 W _ TPHd- TRPH -- _ Benzene-, =Toluene= Ethylbenzene -Xylenes - VOCs-_ - Oxygenate_ - Lead=_
<br /> Additives —
<br /> GAS81-26GW 2,700a,b,c,d 35,000c,d,f,g 140,000c,d 23 096 35 39 31 B, 31 C, 72G, 210J, 91K <5/<25 <5 0
<br /> GAS83-31GW 4,500c,e 510,000c,f,h,i 16,000,000c 170 520 95 520 110A, 21 B, 35D, 190E, 19F, <17/<85 96
<br /> 1801 6401 1101 5701 44H, 550I, 680J, 33K, 170L,
<br /> 270M, 97N
<br /> NOTES
<br /> Benzene,Toluene,Ethylbenzene,Toluene analyzed by EPA 8020/8260 A = Acetone
<br /> Gasoline Oxygenate Additives analyzed by EPA 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(EPA 418 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 lnmt vanes,see laboratory report) H = Methyl butyl ketone
<br /> a = Heavier gasoline range compounds are significant(aged gasohne9) I = Methyl isobutyl ketone
<br /> b = No recognizable pattern J = Naphthalene
<br /> C = Lighter than water immiscible sheen is present K = n-Propyl benzene
<br /> d = Liquid sample that contains greater than-5 vol %sediment L = 1,2,3-Tnchloropropane
<br /> e = Unmodified or weakly modified gasoline is significant M = 1,2,4-Tnmethylbenzene
<br /> f = Gasoline range compounds are significant N = 1,3,5-Tnmethylbenzene
<br /> g = Unmodified or weakly modified diesel is significant
<br /> h = Oil range compounds are significant
<br /> = Diesel range compounds are significant,no recognizable pattern
<br /> 1 = Result from EPA Method 8260
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