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07-31-1995 12:53PM FROM! ALAMO TO 12094640138 P.03 Location of Underground Utilities. PEG makes no attempt to locate any underground tilities that could interfere, and present potentiial.hazards during the borehole drilling and ell installation. This needs to be corrected, and they can use the GPR in item. 1 above to ssist in this effort as well as to contact Underground Service Alert to ensure that the borings will. not interfere, damage or pose a risk to property and personnel at or near the Fropcny- J. Inctallatidn/Ownership of Wells. UNOCAL,shall secure all necessary permits for the tallation of the wells to be installed on the property. The well heads must be subsurface, t lat is, no well head shall be allowed to extend above ground surface. The well head most e secured by a concrete, waffic-rated "Christy-box" with a locking well head cap. "The Christy latx must be mounted flush to the asphalt paving or slightly above to prevent rain ffifiltration, The Christy box must be grouted to eliminate any tripping hazards. UNOCAL shall own the wells, and be responsible for their abandonment and closure according to r gulatory requirements. Documentation of well installation, ownership, and closure mast e provided to SJCEHD and WFB. Disposal of Spoils. UNOCAL shall be the waste generator of all spoils, (soil, I oundwater;and any other waste)generated during the investigations and remediation. All s its shall he properly stored., containerized and protected while on the property, and isposed Or recycled in accordance with prevailing federal,state, and local laws, regulations, rdinances or codes. UNOCAL must provide SJCEHD and WFB documentation to monstraate compliance with this requirement. Security, UNOCAL.must provide necessary security including;but not limited to fencing d personnel to ensure that any activities within the boundaries of the work area are secured, .No tmauthorited personnel are allowed to enter into the fenced and restricted area. i $ Health & Safety. UNOCAL,and UNOCAL's consultants and contractors shall be fully responsible to take all necessary measures and to implement all necessary procedures to � ensure the health&. safcty of any personnel at or adjacent to the property. UNOCAL shall also be responsible for the health & safety of their consultants and contractors as well. i 9 Report. The report shall identify the applicable environmental protection standards and rationale for their selection. 'ne report shall define the extent of the contamination, scribe water and soil quality, and assess the soil and water quality to the environmental otecytion standards. The report shall also provide a conclusion regarding the source of any c antamination. Finally, the report should, indicate recornmendationz for additio-nal work th supporting rationale. must be provided clean and clear copies (not fakes) of the draft and final reports associated with PIRG's investigation, The reports shall be submitted to WFB to coincide with the dates submitted to other key personnel (e-g-, UNOCAL and SJCEHD)- -3- 1