Laserfiche WebLink
- - <br /> 4� <br /> 1 <br /> r r <br /> ^; H"61110 meson Associates <br /> concentrations were in the <br /> PPM range, additional development and <br /> Purging reduced concentrations to the <br /> r+ ppb range. <br /> Data in Tables 4 and 5 <br /> ' indicate that the most <br /> recent r <br /> round of sampling has shown hydrocarbon concentrations <br /> above <br /> detection limits only in 14W-7, MW-81 MW-9, MW-10 <br /> highest concentrations were found in MW-9 aand P-8' The <br /> nd <br /> ~ ' south of the store, -10, immediately <br /> No detectable concentrations were found in <br /> 3 !'" samples from wells to the north, east, or west, or <br /> .i <br /> site wells. in any off- <br /> This information correlates ver <br /> ` Y well with the. <br /> results of the soil- <br /> I <br /> gas survey. <br /> F�»r Law concentrations of lead were detected in � <br /> j MW- - <br /> PPm) and (.013 <br /> 8 (.002 PPM) . These <br /> concentrations however are well <br /> below Environmental. Protection Agen ' E,P <br /> ^^' cys (EPA) Seis.tember 21, 1987 s <br /> : 1 maximum containment level (MCL) for drinking wets <br /> s No ethylene dibromide r of ,Og ppm. <br /> F (EDB) was detected on the site. <br /> reports are in A Laboratory <br /> ,4 F. <br /> The. area in which detectable concentrations of h dro- <br /> h y <br /> carbons have been found in the ground water and the 'zero n <br /> (Plate 1 line <br /> fi ) correspond very closet to <br /> _ Y similar-areas defined- fog <br /> soil and soil gas'. These observations serve as <br /> f. further evidence <br /> w �J that the Primary mechanism�of hydrocarbon movement <br /> { site is across' the . e <br /> + ground water. <br /> B':. Site Re� mediation <br /> c <br /> f <br /> 1. � - <br /> ,,_:. <br /> Prior to an evaluation of <br /> a remedial action alternatives <br /> target clean-up levels must be established for both <br /> �. soil and <br /> 16 <br /> } <br />