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HYDKLI-SLHKLH , INU . ItL ; I-.J10-U:)O-1UOv DEP 17 70 10 .40 NU .ui1 r .vo <br /> CV-RWQCB CQUMW nor Whet Criterla will be Used to determine how many addttlonal <br /> WMIxHoras wells wM be required? <br /> Lcp4no Reponse: The need for addidOnd cxMMOn wdls will be based upon the <br /> results of short-term pumping tats conducted on RW 1, 11W-3, <br /> and RW-5, (]bservadon wells will be mooisoaed during the gest to <br /> 40termiae the arras of indluetoe of each extraction well. An <br /> evaluation of the pumping test data wM determho Whedaer or not <br /> the throe extraction waltz listed above will be sufficla t to contain <br /> MW prevent off-site migration of the dissolved and fre&*w <br /> plumea beneath the site. If the data shows that these wells will sot <br /> pr event sari mwn w plumes, <br /> l�t addhio d walls will be <br /> immlled= e Y <br /> to ensure CV-RWQM COnmrer t: Wtsat reudial maetwt a are being moldered for the dissOlred <br /> bydnmrhon plums? <br /> Leprino ltospanse: Tocol fluids recovery baa been selected as lite rearedlal eltemativo <br /> for the sits. The extraction wells will be designed to recovery <br /> both ftee jts a and dissolved-pbase hydrocarbons. Recovered <br /> fluids wM be di=4ad to an dlJwatar separator. Fnej roduct will <br /> tbcn be directed to a waste oil tank loosted within the aboveground <br /> storage tank conalnment arm. Discharged water will be diroated <br /> to tit& fadlity's estatiag bloioglcW waste water tra►tment systan <br /> far treatment prior to discharge to the City of Tracy's POM, <br /> It abould be noted dust low COQOWWWOna of TSH 0OMP troch <br /> were dowered in MW-5 (59 ttgfL) and MW-11 (94 uga-) doing <br /> the.most raant mond of sampling coOductad at the site on June <br /> 29, 1993. no radta of this sampling &Hent are summarized in <br /> frit report titled 'Second QuarW .GWWW Water Sampllag acrd <br /> Analysis" (IiydTQ4k&ah, lac. 1993). The detection of TEN in <br /> these Wells indicate that tit& edge of the dinolved-hese <br /> hydrocarbon plume hof pOte dAY migrAted north and wcat of the <br /> property boundary. Tbae ore, 1.AFMO rscormnaads tit <br /> irrsmilatkm of three additional monitoring wells at the site. Two <br /> monitoring wells will be placed in tine mobile home Wier park <br /> looamd directly dosmgrsdient of lbs two monitoring welts <br /> idendfltd above. The third monitoring well Will beplaced <br /> nortiromt of MW-14 on the opposite aide of the Wltmd rkht-of- <br /> way. The installation of that weals will belp to fully delineate IIIc <br /> dissolved-phase plume. These wells should be installed and <br /> sampled prior to tin ino"On of iia rvWYWy system. <br /> Depeading on the sampling results of these throe walla, it may be <br /> n cmwy to m oam RW-1 0wongb RW-4. At this particular <br /> thee, it is anticipated that the wells would be placed dkwdy <br />