Laserfiche WebLink
that was conducted in MW -4 and SVE-1 during the last two quarters, when SPH was present in these wells, has been <br />discontinued Groundwater elevations across the site increased by an average of 0 48 ft Groundwater flow was to the <br />northeast at an approximate gradient of 0 002 ft/ft, which is generally consistent with historical data <br />On March 14 and 15, one groundwater extraction well (EW -1) and one deep monitoring well (DMW-1) were installed <br />onsite Interim remediation by groundwater batch extraction from wells MW -1, MW -4, SVE-1, and EW -1 began on <br />March 18, 2002, and will be conducted once every two weeks Aquifer testing is being conducted April 1-5 Well <br />installations will be reported in a future assessment report Interim remediation will be reported in subsequent <br />quarterly reports <br />This report presents our understanding of existing conditions at the subject site The conclusions contained herein <br />are based on the analytical results, and professional judgment in accordance with current standards of professional <br />practice, no other warranty is expressed or implied SECOR assumes no responsibility for exploratory borings or <br />data reported by other consultants or contractors <br />ATTACHMENTS: <br />• Table 1 - Groundwater Elevation and Analytical Data <br />• Table 2 - Fuel Oxygenates Analytical Data <br />• Table 3 - Groundwater Gradient Data <br />• Figure 1 - Groundwater Elevation Contour Map <br />• Figure 2 - Groundwater Concentration Map <br />• Figure 3 — MtBE Isoconcentration map <br />• Attachment A - Field and Laboratory Procedures <br />• • Attachment B - Certified Laboratory Analytical Reports, Chain -of -Custody Documentation, and Field <br />Data Sheets <br />cc Mr Marty Hartzell, Regional Water Quality Control Board - Central Valley Region (RWQCB-CVR) <br />Ms Lori Duncan, SJCPHS <br />0 <br />