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' BIa68 E7rV1101Inrenta!Management Inc 3rd Qtr 2005 Groundwater Monitoring Report <br /> 002-70950-06 <br /> U-Haul#709-50 <br /> Wells at the site are now screened across three depth intervals These depth intervals include the "lower" <br /> ' (C) well casings, screened at depths ranging from approximately 60 to 100 feet below ground surface <br /> (bgs), the "middle" (B) well casings, screened at depths ranging from approximately 45 to 77 feet bgs, <br /> and the "upper" (A) well casings, screened at depths ranging from approximately 23 to 62 feet bgs <br /> These screened intervals accommodate fluctuations in groundwater depth that have ranged from <br /> approximately 45 to 90 feet bgs since 1993 (SOTA, 1997) Monitor well construction information is <br /> summarized in Table 1, and screen intervals are included on Tables 2 and 3 <br /> On April 8, 9, and 10, 2002, Blaes Environmental installed three additional wells at the site These wells <br /> included two remedial test wells (ASW-1 and VEW-1/2) and a groundwater monitoring well (MW-10) <br /> (Figure 2) Blaes Environmental installed two additional groundwater monitor wells (MW-11 and MW- <br /> 12) on March 17 and 18, 2003 These wells are located to the east and west of the site (Figure 2), and <br /> were installed at the request of the SJCEHD to better evaluate the extent of hydrocarbon impact to <br /> groundwater at the site Monitor wells MW-11 and MW-12 each include two well casings screened <br /> according to the "B" and"C"horizons as described in Section 2 3 of this report <br /> i <br /> I <br /> 4 <br />