ARCHIVED REPORTS XR0012568 - Laserfiche WebLink

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_ g - Each boring will be advanced to approximately ton feet below the rater table r- or into a clay or other material below the water trble, suspected to be of lowers permability; whichever is less deep. Undisturbed soil samples will l be obtained using the Dames & Moore Type-U sampler drivea by a 140 pound - hammer falling 30 inches. Saoples will be tollimted x:rom the borings at minimum intervals of five feet. The clear: samples will be driven into the soil beneath the open borehole. The soil samples r--rained in tha 3-inch stainless steel cubes will be removed from the saviplax and their erds sealed with teflon membrnnas and plastic end caps, Nitch .sample selected for chemical analvsi:i will be secura],y sealed, labEiled and stored in ice cooled containers and delivered to Bio National Corporation under propar' chain-nf- ctr-stocyy. All 7ample,s will, be logged according to the Unified roil Classification system. To prchib£.",cross-cnntcminati6a of sucsassive samples, tha sampling �. equipment ;ill be `disas:.embied aetwraen semplirg attempts..'and washed with a tri-sodium phosphar_ra [,TSP` soap solution. The .saarol:re will thou be reazsembled wV"t clean ' : -inch srainlass otee tubes and then used for _- subsequent .ramplinZ. All augern and sampling cauipment will be thoroughly A_ steam,-cl,aned oetwaen boZings to prevent cross-cenres'inatian. 3.2 . i:round Vatvest oat an The purpose of this investigation is to: o Evaluate the depth of ground Water; }� c t�raluate the ground water gradient; and " o Evaluate th_ hydrocarbons in the ground water. 3.2.1 d'rc2rvat ori_Mall installctior_ [ ,1 Y Four "ground water wells wi3.1 be i«r.tallad at the facilites. The uella y . will D,^... i,nscalled for water Iovel monitoring And ground water samplln'g s r" . RM01.005 4 November 29, 1908 " + c k°: rr 71 .. '