Laserfiche WebLink
i <br /> I <br /> i <br /> 4 . The annular space between the casing and hole will be filled <br /> with #12 clean sand; it will extend to a minimum of 2 ' above the <br /> top of the screen. The sand will be topped with a bentonite <br /> seal, and the remainder of the space grouted to the surface with <br /> cement . <br /> 5 . The surface will be fitted with a precast vault thoroughly <br />` grouted in place; it will be equipped with' a locking traffic <br /> cover. !I <br /> 6 . Drill cuttings and decon water will be'� stored on location <br /> pending results of laboratory analyses . <br /> 7 . Each well will be developed no sooner than 48 hours after <br /> completion of operations . They will be purged, static water <br /> levels measured, and samples taken for analysis under the <br /> direction of a representative of the San Joaquin PHS, EHD. <br /> Properly preserved water samples will be transported under chain <br /> of custody to a State Certified laboratory:j': and analyzed for BTEX <br /> (w/MTBE distinction, ) THPg, & TPHd using County & Regional Board <br /> approved detection limits . <br /> 8 . The surface location and well head elevation of each well <br /> will be determined by a licensed surveyor. <br /> Upon completion of the work, and analysis sof laboratory results <br /> and other data, a report will be prepared and submitted to the <br /> Count EHD r review & response. <br /> W J. n er & Associates <br /> c C ' fornia Welding supply _ G <br /> V W Drilling, Inc . '4 F <br /> 4 <br /> ' I <br /> I <br /> ii <br /> i <br /> R <br /> f <br /> r <br /> F <br /> 3 <br /> r <br />