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lV\ Reference„ppoint IRP)el evatlons were estabSi shed 6y licensed surveyors to wtthln <br /> welSsfoot thf sa sSte for vertical a9redtent,icod[rolellsAlld groundwateree r(st I level 1 <br /> measurements and suhsegven4 cal culatlens are based on these RP's. .1 to , <br /> groundwater measurements were taken several weeks after the monitoring wells were <br /> Installed to determine the water surface elevation and direction of flaw. This �. <br /> data Is provided in Section 4.3 GreundWater Flow. - <br /> 3.3 GRCUNDNATER SAAPUHG 11 <br /> pp <br /> 'Sitnam <br /> anpCecemher i]¢1969 usingeestahl5shed protocol asdspecified In to.he U9G9rtNat tonal <br /> guidelines foYathe eollecttanh of rePre 9 tativetgroundwsamplesic Thetailor, i <br /> diameter monitoring wells ware sampled with a 3-Snch diameter Teflon Gal ler. <br /> hailersnc Sevemal uell vo-lumes oflwater were removed sprlor1toh sampl se'Teh'le <br /> I field measurerents of conductivi tY P" temperature,and visual ohservations <br /> 11 Grou^dwater sampli y field data she tsa ares presented in Appendi... samples. <br /> - bottles, <br /> The water s mplos were collected In sterile 4G to 9randardA EPA Dmethds. All <br /> apprmprlateiy Sabel ed and preserved according I+! <br /> —, temperatures rattle received eats Superior Analytical,laboratory rata ri3tes were I <br /> rfLcustmdYt procedurestoryd,extract ds prlar to lexpiration sof approviad h lding <br /> J times. thain-af-castody nforms are presented In Appendix B. 111 <br /> 3.4 CRDK AND STOCKPILE SAMPUNd <br /> �J il <br /> sites rAlso enanti sol lssampleD)was werecollect <br /> sfrnm each ofom e the rn lneeStM1odrums � <br /> remaining o site except for drum B[4,which cnatal ned water and was there Fare <br /> not sampled. <br /> . � 4 an <br /> The soil stockpile is estimated to contain approximately BS c, yards <br /> theD center epf that st ckpi le embA hand9 tr wet was asedh to dcolleci samples shy <br /> digging Ie inches helow the surface and filling a clean glass.tar. Brum samples <br /> were collected with the hand trowel 18 Inches below the surface from the center !' <br /> i' of each drum. <br /> The hand tratel was Urushed and washed between samples In a TrIsodlum Phosphate <br /> �. (TSP)solution to prevent potential cross•contamination• <br /> - Once collected,all samples were wrapped;carefully marked,and'idenftfi ed. The' <br /> ..i' -samples were then preserved for analysis lrotocolydannW re Etranslportlitoorthe <br /> Department of Health Services (00N5) p <br /> 00 <br />