ARCHIVED REPORTS XR0006989 - Laserfiche WebLink

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I ._LJ l it IJ, ii.= In,Is Ai.m li'po-1 ` n� n ! fkl n Ll ii kin �ii d> t il1(I thdn IIIL I ltt[L ( 011110A1011 YO1i4,17 Island dra111agL LhallnLl 1111.1 dralllacL dltLh boUlldlnu thL NNLSt Soutll 111d La,,t portloils Of 111L sltL IL` I)U-LIN LIN no ,urtILL watLI I)OdILS wLrL obSLrNed wlthrn tllL stlldy arL.I ( orlLsl-)0ndL1ILL 1ssllLd from iI1L IM R 1nLIILatell that onL NNatcr wL]I \Vas on Ii1L for thL rLLluLSILd SLarLII arLa I hL vNatLi vNLI1 appt-us to he �arL,ttLr than 7 000 ILet from the site A LOPN of thL ulrrespondLulLL IssIlLd hN ( Ondol and thL IM R 111Lludrne a nlap showu.g thL s1udN arca and a ,1.LtLh of till- 10La110n (It 1hL N\,IWI WC[I is IIILILIded III \pp(,ndix 1 5 5t ;VI's ARY kND DISCUSSION M RESULTS "'o11 111d '-'IOUIId\NatL1 samplllle aLtivltIL 1 \\4LrL L011duLILd at tfIL site bLtNNeL[1 ')LptLrnbLr I I and SLptLnlbL.I I ) 2000 usint drrLLt push ((1L0I-)MbL) hand augLr and ho[IONN-stcn1 augLr tLLhnuluLs to advanlL 13 borings at tIIL sltL (13ormus 1)11-1 through DP-L) 5P-1 Ind IIP-1 through I [P-)) SoII sampling NNas LondULtLd 1klth LhrLLt push Lollng of '�11lllulpri ILLInigLILs aS IILLLssarN Groundwater samphng NNas LonduLtLd with the dlrcLt push groundwatLr sampling too] (h\dropunch still) Elie purposf- of thL \Noll. NNas to furtllLr Investii,at . the extent of petroleum hydrocarbon contamination In the east potrtion of thL sits and the property (agricultural field) adjacent to the cast portion of the site ' I,aboiatory anaktif-al r(-sults indicate that M I BI was present in the soli Samples calk-Lted at approxinnatek 4 ILLI bus from 1)P-1 and at approximately 8 f(-o bgs from UP-5 at Loi.centratrons of 1 600 an(-] 7 100 nllLrogian.s pLr Kilogram gtg/Kg) ri-spectivLly 1 AMI were also present In thL soil . sanlplL Lo[ILLicd at apptoLlmatclN 8 IcLt his tioin D11-5 ata LunLLntration of 1 Sia µg11Lg \UIIL of tIIL [N anatLs t!f IllterLst \\LIL dLtLLtLd a[ oI abt1NL HIL IabcllatOIN ILpoltLd dL1LLtion 1IIT11tS III a11N Of thL S011 samplLs Lolleacd hom 1)P-3 I)P 6 DP-' DP-8 I aboratorN anaktiLal results of the groundwater samples 1ndlLate that an LlcvatLd conlLntration of M113I (37 000 fig 1) NNas present 1n the shallow groundwater at thL. IOLation of DP-5 Benzene ethyl bc,nzc,ne total LvIenes I Pli-0 and FAME wLre also present at that IoL,atlon at conLentrations of 330 µg/l , 80 lig/[ 1 10 mot 1 7 milligrams per liter (mg/L) and 130 fig/L, respeLtrve[y I PII-G was present at a concentration of 0 28 rng/1 III thL groundwater sample collected at approximately 24 feet bgs from HP- With the exception of these two groundwater samples none of the analytes of interest, other than M I [31 were detected in any of the other groundwater samples at or above the laboratory reported dLteLtlon Illnits l IacL to moderate LOnLentrations of MTBF ranging from 22 to 181 [iwl were detCLted In shallow groundwater samples LolleLted from DP-1 D11-2 DP-3 DP-4 DP-6 DP-8 and DP- I 9 With the LxLLptlol1 of a Loncentration of 5 f ptg/I In the groundwater sample cohlectLd from appioxin.atelN 31 tLLt bgs In HP-2 M Fiji: was not detected at or above the laborator} reportLd dcteLtton Ilmit in anv of the groundwater samples Lollected from the deeper strata In INP-1 HP-2, and HP-3 Field ob,Lrvations`indicate that thL site soil present to the depth investigated generally consists of peat, very fine to tine-grained sand clavey sand, silty sand silty clay and sandy clay I-he strattgraphy below the peat at the site as observed In the three deep continuously cored borings (I)P-3 DP-7 and DP-8) is fine-trained and complex, with a relatively high degree of heterogeneity and anisotropy Sand silt, and ,-lay content aiteinate and vary trccluently with an in(,rease In depth The stratigraphy indicated in DP-7 correlates \bell with the stratigraphy in DP-8 The stratigraphy indicated In DP-3 howevet does not corle[ate as close], with. that of DP-7 and DP-8 This Indicates that the various soil strata at the site are not lateially extensive but instead vary in Lonnposrtion within a relatively short distance, rhe presence of It� CONDOR