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` 98/''18/2003 14:28 20983251E' WRIGHT ENVIRONMENTr " PAGE 02/03 <br /> bw ,VO-1 - - <br /> P-2, <br /> P 2, 1-inch diameter,PVC Sabedule 84,0.U2D&lot size. screened-25-30 feet. <br /> 1P-3, 1-inch diameter,PVC Scheduk 80,0.020 sot Size,sMVMed--30.35 feet. <br /> SMU <br /> The*qU'PmM1 UT&ng==t is drown scbmaatieally on Figure 3--SVE Test Sclwmatio_ <br /> We&014ate the fo[Iowing equipment will be utilized: A 3-horsepower or Erma <br /> Positive displacement blower or a regenerative blower rated for at least 5o av dwtcubic. <br /> feet per aaaute(SCFlI at a vacuum of8-asict:es mercury, one or two 200-pound vapor <br /> phase carbon vessels,differential pressure gauges iadicatig&preasu Wvgauum in itches <br /> Of writer,differential pressure or variable w4m flow meter 0-50 SCFK TedlWO bag%2- <br /> inch Schedule 40 PVC piping or 2-inch hese with quick connect coupling Sad app m riata <br /> wellhead fittings. 'Etre grmwlw activated carbon will be used to control vapor phase <br /> emissions during the test. <br /> It is andciptrted that the test duration will be approximately four hours(Z-hour/well). <br /> Test nwasuremfts will taken every 30 minutes or so. We will measwre extraction well <br /> air flow-rates extraction well vacuum,and bwline and test vacuum/pressure at probes P- <br /> 1 through P-3, <br /> Four eked air samples(2 per atraWon well)will be analyzed for the CDCs, These <br /> vapor samples Collected in TedlarO bogs will be wWyred by.EPA Method 8260, Grab <br /> vapor samples colloAcd from the soil probes will be analyzed for TPH and%oxygen by <br /> handheld instruamta including a pl:otaionizatfon detecor and a LEL mater. <br /> Tog LNUI and-Bt <br /> A report of the findings of this SVE teat will be prep wad for submittal to PHS EHD. The: <br /> report win include the well and probe construction details, site maps and geologic cmu- <br /> Nutioos. The report will describe sed interpret test r=ks itroluding air flow-rates,well <br /> and probe vim„ and soil pea analytical data. We will #Wyze the to# data and. <br /> develop estimates of t1m SVE radius of irdluenM initial COC removal rates, and. <br /> effectiveness of SVE in the soil strata tested, We will assess the feasibility of using sVE <br /> as an interim remediation measure based on the analysis of test data and develop <br /> additimW r-womrmzendations fbr full-scale implementation ifapproplhft., <br /> if you have any question.please call the undersigned, <br /> Si xmvly, <br /> Wright Eavfragm"tal Services,Inc. <br /> 4 - 1 <br /> 446z-'O'-F <br /> lolm Y.ynOh R. Magbooi Qedir,PE <br /> President CH 4767 <br /> Attackwo t&:Figures l thmgh 3 <br />