Laserfiche WebLink
!fj <br /> a Yl <br /> ELM <br /> 9-11-14-15,) and when pulled was observed to contain very wet <br /> coarse sand & gravel , w/some clay interbeds - recovery was about <br /> 1211. sample li (MW-26' ,) was sealed, labeled, and preserved on <br /> ice. A tape was lowered into the well and #ound water at 25'0", <br /> indicating that the water table had been encountered. The static <br /> as <br /> samermethod,1confirmingMthatctheewater-wtablechaddat 25'611 by the <br /> level been located. <br /> x <br /> The hale was advanced to 35*; drilling spoils consisted of very <br /> wet, loose, coarse sand & gravel; no evidence of contamination <br /> was noted. <br /> Well Completion details: 2" Sch 40 threaded PVC was made up <br /> and put in the hole as follows: <br /> Surface to 19'6" - blank casing- <br /> 19'6" to 34'6" - .020" horizontal slotted casing. <br /> 34'6" - 35' - bottom cap. <br /> m bottom to 17'6" witty 5 sacks of #3 <br /> The annulus was filled fro <br /> sand, and from 17'6" to 14'6" with one sack of bentonite <br /> granules. <br /> The annulus from 14'6" to the surface was filled with 7 sacks of <br /> cement containing <br /> enwas <br /> min a �k mounted <br /> hopper and pumped downthehole usingaflexible hose <br /> ' ' R round metal traffic cover was placed around the top of the <br /> casing, an:: cemented solidly with sacked concrete [nirevent the <br /> i.' expandable locking cap was installed and locked to p <br /> P05 <br /> sibility of contamination. Augering and well Completion <br /> operations were supervised by WJH and witnessed by M. LagoriO of <br /> ! „ the County EHD. Work was finishedic of at 2:30 FM. Refer to Plate IX <br /> he <br /> foraschematcontractnrtreturnedhe well cthelfollowing day etion and hand gdeveloped ic log. Tthe <br /> drilling <br /> well using a vacuum pump. <br /> «. delivered to FGL Environmental by WJH, <br /> The preserved samples were <br /> under proper chain of custody, with instructions to test for <br /> STEX, TPH-G, and TPH-D. <br /> The results of those tests is summarized On Table III, which <br /> revealed that all samples were below detection limits except for . <br /> MW-26' , where a very small amount, (0.009 mg/kg) of Toluene was <br /> noted. In view of the fact that all other samples were clean, <br /> including two subsequent water samples, it is believed that the <br /> --- toluene--detected-was.._due_-_to. external contamination, either during _-- <br /> sampling or testing Operations. <br /> L.- <br /> 5 <br />