ARCHIVED REPORTS_XR0007238 - Laserfiche WebLink

Home Browse Search

Blaes Environmental Management Inc U-Haul4709-50 002-70950-04 Groundwater Monitoring Report 5130103 Wells at the site are now screened across three depth intervals These depth intervals include the"lower" (C) well casings, screened at depths ranging from approximately 60 to 100 feet below ground surface (bgs), the "middle" (B) well casings, screened at depths ranging from approximately 45 to 77 feet bgs, and the "upper" (A) well casings, screened at depths ranging from approximately 23 to 62 feet bgs ' These screened intervals accommodate fluctuations in groundwater depth that have ranged from approximately 45 to 90 feet bgs since 1993 (SOTA, 1997) Monitor well construction information is summarized in Table 1 On April 8 - 10, 2002,Blaes Environmental installed three new wells at the site These wells included two remedial test wells (ASW-1 and VIEW-1/2) and a groundwater monitoring ' well (MW-10) (Figure 2) The well construction diagrams for these wells were presented in the Second Quarter 2002 Groundwater Monitoring Program Report,prepared by Blaes Environmental and submitted to U-Haul International and the SJCEHD on September 30, 2002 2 4 NEW WELLS I Blaes Environmental installed two additional groundwater monitor wells (MW-11 and MW-12) on March 17 and 18, 2003 These wells are located to the east and west of the site (Figure 2), and were installed at the request of the SJCEHD to better evaluate the extent of hydrocarbon contamination IMonitor wells MW-11 and MW-12 each include two casings screened according to the "B" and "C" horizons as described in Section 2 3 of this report Well construction diagrams are included as Figures 9 and 10 ' 2 5 FRONTIER MOTEL ' Michael Info na of the SJCEHD was on-site during the well installation activities on March 17 and 18, 2003 While drilling monitor well MW-11, Mr Inftuna noticed a domestic groundwater well located at the Frontier Motel adjacent to the U-Haul property, at 2639 N Wilson Way Mr Infurna requested that ' Blaes Environmental collect samples from the motel's domestic well as part of the upcoming groundwater monitoring event The analytical results of the sample collected from the domestic well are Iincluded in Table 3 4 I