ARCHIVED REPORTS XR0001514 - Laserfiche WebLink

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it 2 0 SCOPE OF WORK The objectives of this phase of environmental corrective action were to • Continue to monitor the plume of impacted groundwater at the water table, Further define the stratigraphy of groundwater-bearing soils beneath the water table, and Evaluate the vertical extent of impacted groundwater ' To achieve these project objectives, Ramage Environmental • Monitored and sampled groundwater table monitoring well network, and ' • Supervised the drilling of two CPT borings and collecting of discrete groundwater samples from permeable intervals beneath the water table r21 Planning and Permitting Prior to initiating fieldwork, a site-specific health and safety plan addendum was prepared according to 29 CFR 1910 120 The health and safety plan included safety procedures, chemical hazard information, site safety officers, and preferred medical emergency locations To perform the required work, drilling permits were obtained from PHS/EHD Since one of the borings was drilled on the San Joaquin County Fairgrounds, an access agreement was obtained from 2"d District Agricultural Association, San Joaquin County Fair Copies of the approved permits and access agreement are included in Appendix A As required by the permits, PHSIEHD and the San Joaquin County Fair were notified to schedule inspections Underground Service Alert (USA) was also notified so that member utilities could mark their underground facilities, under USA Ticket#48608 22 Groundwater Monitoring, Sampling and Analysis ' On January 31, 2002, Ramage Environmental monitored and sampled groundwater from the seven groundwater table monitoring wells Upon arrival at the site, each of the wellheads was r inspected, unlocked and opened Depth-to-groundwater was measured in each of the wells using a water level indicator capable of measuring groundwater to within 0 01 foot r 9 1 r