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Mr. J. C. Chih <br /> Page 2 <br /> September 27, 1988 <br /> Page 6 , Concerning the required data to complete a hazard <br /> ranking: be sure that references are supplied with the data and <br /> that you include data concerning the distance to the , nearest <br /> sensitive environment. <br /> Page A-4 , Will the sieve analyses data be used to select the <br /> monitoring well screen slot size and the filter pack grain size <br /> distribution? DHS recommends that the screen slot size and <br /> filter pack grain size distribution be selected using the sieve <br /> analyses data for the finest grained soil in the horizon to be <br /> screened. <br /> Page A-6 , Will you test for, sample, and analyze any immiscible <br /> layers when sampling the monitoring wells? We recommend that you <br /> do. <br /> Page A-8 , We recommend that a nonphosphate cleaner be used to <br /> decontaminate equipment (i. e. Alconox) . <br /> If you have any questions please call me at (916) 924-2599 . <br /> Sincerely, <br /> William Kilgore <br /> Hazardous Materials Specialist <br /> cc: Dan Mathews <br /> Dames and Moore, San Francisco <br /> Mr. David Brent <br /> Regional Water Quality Control Board, Sacramento <br /> Mr. Ron Vallinoti <br /> San Joaquin Local Health District, Stockton <br />