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i <br /> i <br /> • Eor srmpks shipped by commacial cartier,ihe waybilt will save as an extension o[the chain-ofcustody <br /> recad betMeeo the finai field c�todian and rcceipt in the laborarory. <br /> I <br /> • Upon�axipt in the labaatary.lhe Semple Rxaving Supavisor will open the shipping cantainas.compere <br /> ` the cantents with the chaino[-custody mcad. enswe that document control infamazion is accmate and <br /> 1_ ccimple�e.and sign and dale the�ecad My dixXep�ncies will be noted on Ihe Chainof-Clutody Fortn. <br /> • In the event of discrcpancies.lhe sampks in quesdon wili be segrega�ed from nortnul sampk storage and <br /> I the field personnel immedialdy notiC�ed. <br /> I_ • '[7�e Q�ain-of-Custody Fam is compktal upon roaipt of the samples by the onalytical service. 'iT�e <br /> compkoed Chainof-Cus�dy Fam will be retwrad to the Project Managu and mainfained in the projxt <br /> file. <br /> I5.6 DECONTAMllVATION PROCEDURES <br /> I Fidd equipment used during lhe sampling program witl be decontvninated prior ro use nnd during sampling to <br /> redoce the polentlal for the introduclion ot conqminution und cross-contaminatian into samples. The procedures sat <br /> forth in this document are necassmy ro ensure qualiry control in deconwninafion of field equipment. <br /> IIkcontaminalion of field sampling equipment will be conducted in a thorough and step-wise munner us described <br /> � bebw. <br /> I • Clean sampling equipment wilh polabk waler and phosphate-Gce laboratory detergent (Alcorax a <br /> equivalent),�asing a bntsh, if neassnry,to remove particulate matter and surface film; <br /> I • Triple rinse with 1ap water, <br /> • Triple rinse wilh deionizad/carbon-frce water. <br /> INew, disposable, lalex gloves will be wom when handling clean sampling equipmcnt to ensure thnt the <br /> Iequipment is not contaminatcd. <br /> � 6.0 LABORATORY ANALYTICAL PROCEDURES <br /> 6.1 CkIEMICAL ANAL1'77CAL PROCEDURES <br /> � All samples collected fmm Ihe north and south parcels will be analyzed for heavy metals (arsenic, barium, <br /> cadmium,chromium,lead,mercury,selenium,silver,and zinc)using EPA Methods 6010 and the 7000 series(EPA, <br /> I Test Methods for Evaluating Solid Waste,SW-846,September. 198�. Ali subsurtace samples from the nocth parcel <br /> will be analyzed for petroleum hydrocnrbon identifcation using WDOE Method WTPH-HCID(WDOE,Guidance <br /> tor Remediation of Rcicases from Underground Stomge Tanks, Appendix G, April, 1992). If hydrocarbons nre <br /> + identified in any of thc samples, further analyus may inctude WDOE Melhods WTPH-G (gasaline), W7PH-D <br /> � (diesel), a W'IPH-418.1 (heavy oil). <br /> I II <br /> I <br />