ARCHIVED REPORTS_XR0008837 - Laserfiche WebLink

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t22 Underground Utilities - Underground Service Alert (USA) was notified 48 hours before any subsurface work began 23 Site Safety Plan - Work was performed under the guidelines presented in a BSK prepared Health and Safety Plan ' 3.0 DRILLING AND SOIL SAMPLING METHODOLOGY A BSK & Associates geologist under direct supervision of a Registered Civil Engineer was ' present during drilling, soil sampling and groundwater sampling Duties included • Filing permits and notifying SJPHS and Underground Service Alert before field activities began • Coordination and timing of field activities ' 0 implementing the Health and Safety Plan ' 0 Monitoring the air during drilling for the presence of volatile organic vapors • Collection of soil samples and classification by ASTM D-2488 • Preparation of Boring Logs (refer to Plates 1 thru 8) ' Proper containment and labeling of soil cuttings, equipment rinsate and purged groundwater • Preparation of this Data Report to be submitted to Remediation Services The locations of borings B-1 and MW-4 are presented on Figure 2, Site Plan Drilling was accomplished with a Mobile Drill B-53 truck-mounted rig with 8-inch hollow stem auger Samples were collected at five-foot intervals from depths of ten feet to eighty feet in B-1 and from ten feet to seventy-five feet in MW-4 The soil samples were collected by driving a two-inch i D sampler fitted with stainless steel liners 18 inches into relatively undisturbed soil The ends of the retained sample were covered with TeflonTM film and 1 plastic caps The retained soil samples were stored in a cooler with dry ice or ice until delivery to the BSK analytical laboratory Augers and drill rods were cleaned with a high-pressure, high-temperature cleaner before, between and after each bore hole The equipment was washed in a polyethylene lined containment basin The rinsate from the auger wash was placed into 55-gallon DOT 17 E/H drums and labeled 2 BSK.", 1tiil IS(l