Laserfiche WebLink
' a •= > .h! dR� a 4 '' r 3,'�"�yc�F;'- <br /> -fcz'� s tp MRS <br /> �.2`:55 <br /> 4 <br /> l-chru:u}' 19, 1091 j <br /> Evaluation of Soil and Ground Water ;1(;5 3SO32-3 � <br /> j [)notal Station No. 69111, Stockton, CIIIfurltia <br /> I <br /> de, 62 p xnv lire the ;,Int{ala: Iritrn 3� feet belowbelowgrade, and 41 }}pnry for the saonttle <br /> belowgrade, } I <br /> from 45 feet helms stradc {"fable I Y. <br /> The results of the laboratory anal sis of the water samples collect from the five rnonitorine <br /> wells indicate gasoline }tydrocarbons are present in each well. The Itigitest concentrations of <br /> TPl Ig, 12.000 parts per l)illioll{ppb) and E3'!'l:X, 1,900,75,21, and 140 ppb. respectively, "'ere <br /> detected it, the water sample Irian Inonitorine +�wc1l \I11'-2 ion limits for the test used (Table <br /> 2). The lowest concentration of TPI Ig, onl)ppb, was detected in the sample from mortitorute <br /> well \111'-1. The concenu•;stion at '1'1'1€_detected in the samples fratrr monitoring��clls \111' <br /> 3, \1W-4, and \11V-5 WC-re 3.400. 2.600, and 3,600 ppb, respeclivelY. '1'h conccnratiott a€ <br /> BTE\corttpounds detected in the"'ater sarnpies front monitoring wells\1W-1, \IW-3, \IW-4, <br /> and \111'-5 ranged from below the detection liruits for the test used to 77 ppb for benzene, <br /> toluene and etlnvlbcrtzerte, and from 0.36 to 17 ppb for xviene I.Table 3). <br /> The water samples from monitoring well,; \111' 1, \IW-2, \lW-3.and \IW-5 were analyzed for <br /> nitrate, and total and fecal coliform bacteria. Nitrate was detected in water samples from <br /> monitoring wells \}1V-1. JIW-3, and MW-5. and total coliforrn bacteria was detected in <br /> samples frorn monitoring wells \11V-2. MW-3, and %.IW 5 (Table 4). Fecal coliform bacteria <br /> th <br /> was detected in e water samples from monitoring well \4W-5, and below the detection ISInitS <br /> for the test used for tite samples from monitoring well M\V-2 and MW-3 (Table 4). Analysis <br /> for fecal coliforrn bacteria was not performed oil the water sample from monitoring well \41V- <br /> 1 because tite total coliform bacteria count was below detection limits for test used (Table 4). <br /> -- <br /> 11 <br /> APPA-60' aeosystems <br />