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Ai ; <br /> Ms. Laurie :Cotulla <br /> March 11,' 1987 <br /> Page 2 <br /> - <br /> 2. The monitoring' wells w;ill.�,be constructed -,of 2-inch <br /> machine slotted. PVC screen and casing. installed within <br /> a -inch - borehole (See' Figure 2) . The screened <br /> interval will extend a' minimum of 10 feet above and .-20 , <br /> feet below the water table 'Aunless a competent aqu.itard j <br /> is ;encountered less Mian 2'0 :feet below the water <br /> table) . Bentonite overlain by cement grout will , <br /> be :;used to seal `the, annular space above ,the screened <br /> interval. ' <br /> 3. Undisturbed soil samples will be collected Irom all- <br /> borings at a mininnum ofEfive foot intervals. ' The soil <br /> sample collection ?sand 'pres'ervation shall :be .conducted <br /> in `accordance. with -the' attached Groundwater 1 <br /> Technology' s Standard Operating Procedures SOP 14 <br /> and 15. I <br /> As requ red, - an application' permit and filing . fee for .the,. <br /> borings and installation of ;:the monitoring wells are attached. <br /> The authorization to release analytical results, geotechnical S <br /> data, and aisite assessment :informatA. on form is being forwarded j <br /> to the client for their signature:` Groundwater' Technology, <br /> Inc. intends l;to. begin the drilling, as -soon as possible at this 1 <br /> site. <br /> If your Piave any. questions or require additional information, <br /> please call.'. <br /> Sincerely, <br /> GROUNDWATIRI TECHNOLOGY, INC. <br /> 'Dennis. Bane <br /> Project Geologist <br /> DB:kmh <br /> . i 1 <br /> : y - <br /> +I� y. <br />