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1 � <br /> 4.33 Depth-oiscrate Groundwater sampling <br /> Depth-discrete groumwatersampleewin be weeded using Gyeropunch'• type methods by advancing <br /> the samplingev h the CPT r . Afterithbeti of used the desire <br /> es paw telbottom Of The <br /> as entered t drill to&. IT <br /> oriet <br /> samplingnot <br /> o onschn electronicson w refracted approximately three a exposing The fitter water Is ooun de the nteUsedrill red wlibeng de all do tames eel bailer ill be see <br /> to Effect <br /> groundwater enter thsghthe device Asm urcwa sampp pie been <br /> roucollect o ther &wil be1r moved and eewno in Age r with <br /> write rand detl up ergent. <br /> Ad Rine <br /> groundwaterer <br /> ompll will bee collected by re M en <br /> mp it to befolln dthear tamer aep th. The me wet mpie iscon and equipment decontamination <br /> procedures; Ung <br /> turned us and groundwater <br /> and inpleted to match ewm snaare <br /> ill be6 using [ cement tmgro <br /> Earnings. <br /> of <br /> Groundwaters amples will be submitted to a Califormaccertlfied analvlial laboratory for anaWE cMod 81608. Set ed form the primary investigation Inactions wi be <br /> vO�edna 5 EPA M <br /> a n expedited lob-tidal turnaround lime to allow for potential <br /> stepbut locattions to fic <br /> completedang cm conmli n accessible.fif lemunored in <br /> insulated chests that In ice, <br /> etd elved to a Ufomm-cenee laboratory under standar <br /> d <br /> chain-ofcustaey procedures. <br /> Samples <br /> will be conectea from up to four depths per location: <br /> • UpperArcilaD APprmdramety35 feet figs and 110feet figs; and <br /> Intermediate Aquifer: Appronimatery 130 feet has and at maximum dept <br /> ximumdepth expected to be <br /> approximately 150 feet figs, based on previousc <br /> The actual depths for sample collection will be determined in the field based on an evaluation of the CPT <br /> profiles. After Elleding the but sample at each loation, the Isoring will lie sealed wish neat cement <br /> grout using the methods described above. <br /> 4.3.4 CuantyAauiance <br /> An electric under will be used to combine that me drill rods eon ilk n6 �fo^ . <br /> Quality cons samples will includeIa audio s (Oneper 1 aupPgedemplmnq ne Per <br /> dWktip blarnks (on per center) and matrix spike/ at„'xspike estznlessTeels Equent biffer ntolaborat0ry <br /> sampleslank <br /> will be wllealea by pouring delonized waters preferred to sum intoneora the tory <br /> crowded sample containers. A Data Usability Summary RePort will be pre <br /> everve <br /> and validation of the groundwater samples to be performed Per guidance and requirements <br /> established by the TATA national Furthered Guldellossfor ez)urnd McMWds TWA Review <br /> (USEPA, 2017). <br /> 4.3.5 Decnmaminabon and Waste Management <br /> All re-usol, doe h011e equipment (e.g, hand auger and sample togingl will <br /> e detergent, and a municipal <br /> unicipal water and <br /> ow <br /> waate rinse. Sol wtbngs and deem minnation water will bel lcontalnerrizeasepa separately aaa,,,g ��,between each nlaaabeled, <br /> 13 ICH <br />