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i <br /> Ronald A. Burt - 2 - 21 May 2004 <br /> 4. Kearney needs to evaluate the usefulness of monitoring well DMW-1, which is characterized as a <br /> deep water bearing zone well even though it is partially screened in the lower intermediate zone. <br /> Groundwater level information provided from the well does not correlate with either the lower <br /> intermediate or deep water bearing zones. Regional Board and DTSC staff can then evaluate <br /> whether this well is beneficial to the monitoring program at the site. <br /> 5. There was an exceedence of 1,1-dichloroethane in the sample collected 26 January,but on <br /> 5.February the effluent was re-sampled and reported as non-detectable. In March, the remedial <br /> system had effluent limit exceedences of 1,1-dichloroethene, trichloroethene, and total volatile <br /> organic compounds, as stated in the Status Report and the 15 April 2004 Monthly Operations <br /> Report March 2004. Kearney shut down the system based on the March sampling data and <br /> began corrective measures to clean and repair the air stripper. These exceedences are not <br /> acceptable. Future exceedences of the effluent limits or discharges or fully treated groundwater <br /> may result in the issuance of Notice of Violation,which could lead to monetary penalties. <br /> The next quarterly report is due by 1'August 2004, as required by the MRP. If you have any questions, <br /> you may contact rDee�vran'Le'wis at(916) 255-3119 or lewisd@rb5s.swrcb.ca.gov. <br /> Lltd�lt/rl/ <br /> WENDY . COHEN, P.E. <br /> Chief,Private Sites Cleanup Unit <br /> cc: Mr. Doug O'Neal, Department of Toxic Substances Control, Sacramento <br /> Mr. Harlin Knoll, San Joaquin County Environmental Health Department, Stockton <br /> Kearney National, Inc., New York,NY <br /> Mr. H. Derrick Peterson, Esq., Austin, TX <br /> Mr. Peter Quinlan, Dudek & Associates, Encinitas <br />