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SENT BY:Xerox Telecopier 7021 —. 3-27-92 : 1 :46PM 12099-"Q4910- :# 3 <br /> + _ " `/ %001 <br /> with the new underground storage tank regulations adopted on <br /> December 2, 1991, by the State Water Resource Control Board. <br /> C. Scope of Work <br /> Cleanup Methods - The consultants, RESNA Industries, Inc. ( for- . <br /> merly WaterWork) and Delta Environmental Consultants, Inc. , who hpvk-' <br /> conducted site investigations have recommended that soil in the <br /> previously existing tank locations be excavated to a depth of 11 <br /> feet and aerated on site. Further, quarterly sampling, and test- <br /> ing of ground water elevations, and reports of such information <br /> should be included. <br /> Consultants may bid on the above method, or propose another <br /> cleanup method that is considered to be more cost/time efficient. <br /> New technologies are encouraged, but a pilot test which proves <br /> the viability of whatever method is proposed, must be conducted <br /> prior to implementation of the full scale program. <br /> Ideally, bids will include an evaluation and comparison of sever- <br /> al feasible cleanup methods for the site, as well as a clear <br /> explanation for choosing the proposed method. <br /> Tasks - Bids shall include the projected total cost of cleanup as <br /> well as the unit costs involved in completing the following <br /> tasks : <br /> 1 . Preparation of a detailed CAP to send to the LRA for review; <br /> 2 . Obtaining the permits required from governmental agencies to <br /> execute the proposed work plan; <br /> 3 . Implementation of a pilot study to test the viability of the <br /> proposed cleanup method; <br /> 4 . Purchase (or lease) of required equipment, and materials <br /> (minor items such as sampling equipment and materials can be <br /> lumped together under one category) , and construction of any <br /> structures, excavations, lined ponds, etc . ) ; <br /> 5 . Equipment operation and maintenance (per month) ; <br /> 6 . Periodic sampling (and reporting) of soil and groundwater to <br /> check cleanup progress (per sampling interval) in accordance <br /> with PHS/EHD guidelines; and <br /> 7 . Verification sampling (post-closure monitoring) of groundwa- <br /> ter (per sampling interval) in accordance with PHS/EHD <br /> guidelines; <br /> Additionally, for groundwater cleanup, the costshall be <br /> assessed in terms of cost per gallon-per-minute (GPM) , and cost <br /> per 1, 000 gallons treated. ��, <br /> i <br /> -2 , 002753.PTC/MM ' <br /> 60410-18081/8X8/03/27/_ <br />