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2 0 GROUNDWATER MONITORING WELL INSTALLATION To re-establish groundwater table monitoring capabilities and define the downgradient extent of impacted groundwater, two additional groundwater monitoring wells were installed 2.1 Permittingand Planning 9 The planning and permitting task included acquiring the required permits and utility clearances and preparing a site-specific health and safety plan 2 1 1 Well Permit and Utility Clearance To perform the proposed scope of work, a well permit (#015434) was obtained from PHSIEHD (Appendix A) Since both wells were located on the cemetery property, neither encroachment permits nor off-site private property access agreements were required On April 23, 1998, Underground Service Alert(USA) was notified to perform a routine utility clearance inspection (USA Ticket#98949) 2 1 2 Health and SafetV Plan Prior to mobilizing for field activities, a site health and safety plan was prepared (Appendix B) The health and safety plan includes safety procedures for work to be performed, chemical hazard information, site safety officers, and preferred medical emergency locations 2.2 Well Installation On April 28, 1998, V&W Drilling, Inc (V&W) of Rio Vista, California (C-57#720904) installed two groundwater monitoring wells Monitoring well (MW-6) was installed approximately 60 feet north of VW-2 and approximately 80 feet north of the former USTs and MW-7 was installed approximately 80 feet northeast of VW-2 and approximately 100 feet northeast of the former USTs The locations of the newly-installed wells are shown on Figure 2 2 2 1 Well Construction The soil borings for both wells were drilled to a total depth of 60 feet bgs by a truck-mounted drill rig equipped with 8-inch diameter hollow stem augers Both wells were constructed with 30 feet (30 to 60 feet bgs) of two-inch diameter, Schedule 40, flush-threaded and machine-slotted (0 020-inch) PVC well screen and 30 feet of blank PVC casing to ground surface 6