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MtBE was detected in wells BM-1 , BM-2, BM-3, BIVIA BM-5 and BM-11 TBA tertiary <br />' Butanol was found in wells BM-1,BM-3, BM-7, BM-9 and BM-11 The presence of MtBE- �4 <br /> is an indication that it is migrating to this site from the.Stations-to.the-westof us, except-for- <br /> BMA 1 <br /> xcept_for_BM-11 <br />' Dissolved oxygen levels were recorded this quarter at this site The levels were <br /> measured with a calibrated YSI model 51 B meter by placing the sensor 5 feet below the <br /> surface of the water table after the bailing of the wells The measured levels are shown <br /> on Table 3A and on Figure 3 <br /> As requested in the EHD letter dated January 10, 2000, a plot of the wells and the old and <br /> new piping runs of the dispenser lines is shown in Figure 4 <br /> VAPOR EXTRACTION SYSTEM <br /> This site has been under remediation since July 1997 A total of 44,681 pounds of <br /> gasoline has been removed since the beginning of this project See Table 5 The system <br /> is r1ot operating at present, we are reps ring it and will have-it operating so n d <br /> r7le Vp&iz r- 5- r is w 6 P_f o ld <br /> Conclusions 02�- <br /> We will continue to monitor this site The next monitoringevent will take lace in October <br /> P <br /> 2001 <br /> We request that wells BM-6 and BM-8 no longer be sampled during the quarterly <br /> monitoring These wells are located next to wells BM-2 and BM-13, which are shallow <br /> wells where the water is sampled from the surface to 45 feet, where as BM-6 and BM-8 <br /> are deep wells and samples are taken from water which is below 45 feet <br /> Attached is a non-Hazardous waste Manifest for the removal for drill cuttings <br /> Yours truly, <br /> S.�EItED GE0, <br /> z <br /> /John Cussen <br /> RG #6506 <br /> Or CN.1� <br /> i <br /> I <br /> I <br />