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'r GEORGE DEUKMEIIAN, Gowmor <br /> NATE OF CALIFORNIA—HEALTH AND WELFARE i;ENCY <br /> DEPARTMENT OF HEALTH SERVICES <br /> TOXIC SUBSTANCES CONTROL PROGRAM <br /> REGION 1 0 <br /> 10151 CROYDON WAY October 4 , 1990 <br /> SACRAMENTO,CA 95827-2106 <br /> (916)855-7700 <br /> ;y y.,4 YxX ,: . <br /> Mr. Thomas Kroehle <br /> President OCT 9 10^0 <br /> The Marley Cooling Tower Company ENVIRONMENTAL HEALTH <br /> 5800 Foxridge Drive <br /> Mission, Kansas 66201 PERMIT/SERViCES <br /> Dear Mr. Kroehle: <br /> RESPONSE TO REQUEST FOR MODIFICATION OF GROUND WATER <br /> MONITORING PROGRAM <br /> The Department has reviewed The Marley Cooling Tower Company' s <br /> (MCTC's) July 31, 1990 request to modify the existing ground <br /> water monitoring program for the MCTC Stockton, California <br /> facility: The Proposed Schedule of modifications attached to <br /> your letter is enclosed for reference. <br /> As discussed with Mr. Dave Bates of MCTC and Department staff <br /> during a September 18, 1990 and October 3 , 1990 telephone <br /> conversation, completely eliminating quarterly ground water <br /> sampling is not acceptable to the Department at this time. A <br /> reduction in the number of wells to be monitored on a quarterly <br /> bases was however approved. Monitoring Wells (MWs) which are to <br /> remain on the quarterly sampling program are: <br /> SHALLOW WELLS INTERMEDIATE WELLS DEEP WELLS <br /> 5 2 428 464 <br /> 204 211 430 461 <br /> 209 213 438 <br /> 210 214 439 <br /> 301 321 440 <br /> 401 324 442 <br /> 302 426 <br /> 102* <br /> * MW 212 shall be used in the event MW-5 goes dry. <br /> Please be advised that the above listing does not relieve MCTC <br /> from responsibility to monitor newly constructed wells. As <br /> stated in footnote #2 to your Proposed Schedule, new wells shall <br /> be monitored for a minimum of four quarters. Additionally, <br /> monitoring shall continue until reductions are approved by the <br /> Department and the Regional Water Quality Control Board. <br /> Notes: <br /> 'Main Street domestic well will be sampled quarterly until <br /> residents receive municipal water. <br /> 2Newly constructed monitor wells will be sampled quarterly for a minimum <br /> of 1 year. <br /> HARGIS+ASSOCIATES, INC- <br />