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f <br /> � a R (11011MM U1 I11%­11.411011 KLpon <br /> }{aim m }i_ n \1i un <br /> borin-, Dirt-LI push tLLhniilogy %ray used to .,onipletc DI'-8 to a depth of approximatLlx 3'' tLLt hgs <br /> Horim-, DI'-O �% IS hand augered to a depth sit approxtmatLIN LIght tett hg5 to ,_,Mble -_-1OundNN.11Lr <br /> Sampling it that lmation VrliilL lliL dirLLt pwh ii- uscd on anotfLr honing DIrCLt puS11 tLLhnolo­r <br /> \\uS ii,Ld it) in-,tall burin<s 111'-1 tO <i dcptli «t 1ppr0x1IlI3tL1N ,s ILct hg, and hornig,, 111'-2 and 1111-3 to a <br /> di-pth of .rppI0\Ini,1tLl\ )0 1LLt his In addition ouL 5iniu]prohL horins {tiP-I ) V-.1, in,tal[Ld �4lth lio[low <br /> stLlu ,11WL[ to i depth Ot apptox IIIXt_]y ILLI his icy attUnpit soil and groundoatLr ,arnphjlg With the <br /> titmulpiobL Sarrtplmg d0, <br /> rIhL d11LL1 push bolN%LrL hsdraullLalk Id%JI14_Ld uStlig a 2-MLh diarnLtLr LonrLil hit I11 hit and <br /> ass{elatedpuS11 rud, VLIL ihoroughk LILanLd bLt0rL eaLh bOILholL ��as drilled using Iaholalorx-grade <br /> I non_phosphate. dLterULnt and dL-Ioni/Ld N4atLr and double-rmsint-1 with dL-ioni/ed watLr I he �imulprohe <br /> boring tNas ditl]Ld using a S1X-inch oritssdL clramLtcr continuous-flight hollow-stem augLr File augu <br /> was StLam-cleaned befoie thL horLholL N,aas drdlLd I poll Lompletion of the drilling and Sampling thL <br /> hoteho]Ls V�LrL balk filled with Portland CLIr]LIlt I'lie cLiiient was treinted into the boreholes to avoid <br /> bridging <br /> 3 2 I Soil Sampling <br /> I hL dIILU push and hand-auger Soil b0rtitp., wLrL advanced to bLlaw the depth of the groundwater table <br /> (appioxiniatek li1L ILLt blas during the hu[d L%.trvitiLsf An attLrnpt was made to LollLct Soil Samples in <br /> I • DP-1 and DP-'' at a dLptli of approxirnatLly f s IeLt in each boring using a L ahtornra-tnodifiLd split- <br /> Spoon saniplLr tittLd with thrLL clean bia„ Iincrs IIZLSC attempts were unsucLLS'iWI because of poor <br /> icLovery of thL drN looSL matLrial in thL ,amplL liners Soil SamplLS wLre collected in DP-3 at <br /> approximately f 12 15 20 28 and 30 fLct bgs in DP-4 at approximately f and 12 fLLt bgs in i)P-5 at <br /> appioxiinatLk 8 and 16 fLet hgs rn DP-6 at approximately 12 16 20, 24 28 and 32 [Let hgs in DP-7 at <br /> approximately f 12 16 20 24 28 and 36 tcLt bgs and in DP-8 at approximately 16 20 24 28 and 32 <br /> feet bgs Ilse samples collected at a depth of approximately foul feet bgs In DP-3 and DP-4 were <br /> LolleLted fioni the vadose cone in each of theSL borings Boinigs DP-5 and DP-6 wLre installLd hear the <br /> edge of I IUllt MtlL Road and were at a highLr surface Llevation than the other borings IheSc locations <br /> wLIL LhoSLn to hLttL1 LharactLrize thL subsurface between the Lxisting monitor wells and thL island <br /> dtairtagL LhannL1 on thL soutli SidL of f ight 'Ville Road Both borings wLre hand-angered to a depth of <br /> appioxtniatck Six tLet bgs becauSL of tht, LIoSe proximity of undergiound utilities No soil samples wete <br /> LollectLd from thL Band-angered intervals Ili either boring ]lie sample collected from a depth of <br /> I approximately eight tLet bgs in DP-5 was collected from t1iL vadose lone An attempt to sample the <br /> vadose /one in DP-6 was uusucLesstul because of poor recovery of the Sample Borings DP-8 and DP-9 <br /> were hand-augered to a depth of approximately six Leet bgs, which was below the water table No soil <br /> sample was Lollected from the hand-augered intervals, so no vadose zone soil sample was collected from <br /> eithLr oftllese bon rigs <br /> ( ontinuouS samples collected fiom below the water table in borings DP-7 and DP-8 were used to <br /> charaLterize the subsurface to identify sensitive soil hori/ons prior to Loliecting discrete groundwater <br /> samples Boi ing DP-9 was not extended with direct push because the subsurface ui that area had been <br /> adequately sampled and chaiacterized Ili DP-7 and DP-8 A hydropunLh tool was used in HP-1 through <br /> 1111-3 toi thL purpose of collecting thL discrete groundwater samples 1lie hydropunch tool is not <br /> contiguied for soil sampling So no soil samples were collected from these borings f lie direct push <br /> 4% Ntiw_ <br /> t� CONDOR <br />