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Wpm Ar 1.vatcr has since risen to static Icycis between.16 and 17 feet below the ground surhice. 'clic soil boring%were terminated in a compcicull clay 1,jycr. The borings were completed 'is monituring wells by installing nominal 4 inch PVC casing. Scmcncd casing with 0.020 inch slots weit placed to depths Oiat provide for ndt(luatc mpmscm.nion or the Uquircr and limvidc more than 10 feel of semen above the prc.scnt static water level. Ile screened inicrva;s were sand packed with Loncstnr 02112 sand from one fool below the casing to I depth more than 2 feet above the[Op of the screen to provi(Ic an effective Mier pack and pr.-vent the bentonite and grout seal from occluding the sctr.-n. A neat cement grojil sea! I " was pump-M Into the rctruining annular space above a bentonite seal with the drill rig's nitid Pump and a 25 foot long hose, The we'1 101's%%Trr-completed with water-tight traffic boxes set in roncreir;the traffic boxes roquire a special ATCnclj to be opened. The wells am further secured with locking WC11 caps and padlocls, Soils were sampled at five rOM iMcrvals with a modified CalifOmia split$13oort sampler lined with 2 inch brass liner-.. rbc sampler and brass liners were scrubbed with detergent wW rinsed with tap and deinnizcd water before use at each sampl;ag interval. One of three SOU-1111cd brass liners was immediately procected with aluminum foil and capped will, Plastic end caps;the plastic end caps%VAt Scaled to the brass liners with plastic tape. The Scaled&,vnpIc was labelled and placed on ice for storage and transporTidort to the rjnalyzieal lab. The remaining Soil-fillcd Mss liners were emPlict!of their contents and Scanned with an OrgAnL-VJPOrMClC-r MMI a photo-ionization dctcCIOC. Aftc-being scanned with the ()VM,the soil was described an drill 109s according to the Unified Classification System by the supervising geologist. All dM collected soil s3milics we subtr4tird undcrchm'n-o custody to Nce Laboratories in Novato.Calitop is. Pace is certified by the M-partment of Health Services HazudOus Materials to perform hazudous and toxic waste analysi:s for H)CM35 and inorganic and cirgardc parametcrs under ctitificalc numbs 148. Selected roil =MPI=were analyzed for total petroleum hydrocarbons with benzene,toluene, ethylbenzent,and XYkncS(BTE&X)according to EPA nxthod Solo. The results of these "YsU are summuized in Table 1. The wells were developed on 15 November 1988 by purging with a clean pVC bailer. After development,the wells'A=sampled with a clean teflon bailer. Samplcsofgmund------------- wMer fr=c=h,%-Cfl w=pourrd i nto two 40 rnl VOA vials that were capped with ttflon SCAIL The samples N%Trc placed on Jcc for SIOMSC WW transportation. Ile SMnpICS were shipped to pace Laboratories for analysis by EPA mcdW 8015 for lotai pelml u hydrocttrbons and BTE&X. 'nic results of these ftnAlyses are included as Table 2