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7 , 1988 page 2 <br /> Project 156-117. 1 <br /> i r <br /> We ant,icipate . ground water to bencountered at approximately <br /> eight feet below ground surface::: The- borings will be advanced <br /> r approxlamately, 15 :;fe txinto the aquifer'. The monitoring =wells <br /> cral3be coustructed 'us:3ng2 iz�eh `di'ameter PVG moni'toring ;casing, <br /> the lower;,fiftee.�, feet'' of Which'=' will <be factory slotted 461:10t� si zee <br /> b bz3 , xnc�aes j . Tl�e amnular 'space around the "perforated interval <br /> bfall,�d: wi.tka a ;coarsef� lte npaek. :,One ,�oox�,'of.r <br /> f <br /> .` <br /> n , -1-1 be ;placed, oil top ot' '_the . sand; ancl° the;' re�na ning <br /> annular ' space to grourid -suffaGewih be backfilled with cement <br /> grout., A loc','cin�; steel. vault will be set in each "surface seal to <br /> prevent unauthorized access to`' the wells . <br /> The,'Imonitoring wells wi'11 .be . developed ,and sampled using a :down- <br /> ho1e ..positive. displacement bladder pump or a hand-held, bottom <br /> ,check valve bailer. At least 4 ve well volumes- will be removed <br /> . �._ <br /> from-;.,each ;_welj ,pxfor to sampling. Allground,:water obtained <br /> ,::during': development will• be contained and sealed in 55-gallon drams. <br /> a.nd !will ,remain on site until the analytical results are received. <br /> Ashallow ground water sample Will be obtained from each well and <br /> transported toa State-certified laboratory in a refrigerated <br /> container under appropriate chain of custody'"dWcumentation. <br /> selected soi•l. and :ground water samples will be analyzed for some <br /> or all of, the `following.* <br /> volatile organic and aromatic constituents using EPA Test <br /> „Methods., 624. . for, water. and 8240 for soil <br /> se►ni-vo. at`i` a or an° 'cs- using EPA Test Metods 625 for water <br /> and 8270 for soil <br /> organochlorine pesticides using EPA Test Methods 608 for <br /> water and 8080 for soil <br /> : California Assessment Manual (CAM) metals <br /> total petroleum hydrocarbons <br /> ':We hope this information is adequate for the permit application <br /> process . 'If you have any questions or require additional' <br /> information, please call . We would like to perform the field work <br /> on November. 28 , 1988 d would greatly appreciate help;,:.-.. .. anY a pp any p; you .can <br /> ` °give :us in meeting; our schedule . If required, we are willing to <br /> °pay $52 . 50 per hour overtime for processing the permit application <br /> so drilling may proceed as scheduled. <br /> Enclosed is,, a check for the amount of $70 . 00 for permit fees e <br /> ,y <br />