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.4141 <br />;.;dCalifornia Regional Water Quality Control Board <br />Winston H. Hickox Central Valley Region <br />Secretary for <br />Environmental Steven T. Butler, Chair <br />Gray Davis <br />Governor <br />Protection Sacramento Main Office <br />Internet Address: http://www.swrcb.ca.govi--rwqcb5 <br />3443 Routier Road, Suite A, Sacramento, California 95827-3003 <br />Phone (916) 255-3000 • FAX (916) 255-3015 <br />19 October 2000 <br />Mr. Scott Long <br />Long Ranch, Inc. <br />5203 West Ripon Road <br />Manteca, CA 95337 <br />CONDITIONAL APPROVAL OF GROUNDWATER MONITORING WELL INSTALLATION <br />WORK PLAN, LONG RANCH, MANTECA, SAN JOAQUIN COUNTY <br />I have reviewed the 27 July 2000 Monitoring Well Installation & Facility Monitoring Workplan, <br />prepared by Geological Technics, Inc. The report was received by the Board on 14 September 2000, <br />and was prepared in response to Waste Discharge Requirements Order No. 99-142. After reviewing <br />the workplan, I have the following comments: <br />The proposed well locations as presented in Figure 2 are too far from the pond. Well MW-1 is <br />approximately 475 feet from the pond; Well MW-2 is approximately 350 feet from the pond; and <br />Well MW-3 is approximately 185 feet from the pond. These distances are considered too great to <br />provide suitable monitoring of the wastewater pond. Please resubmit Figure 2. An appropriate <br />distance between wells and a wastewater pond is approximately 50 feet, slightly more for the <br />upgradient well. <br />Please provide a table that summarizes the following sample collection information: <br />A description of the size and type of sample containers. <br />Identification of any preservatives that will be used, including ice. <br />A statement of whether samples will be filtered or not. <br />A list of the holding times for each analysis method. <br />The workplan is approved on the condition that the above comments are addressed in an addendum <br />letter prepared by the professional responsible for the work. If you have any questions on this <br />conditional approval, please telephone me at (916) 255-3116. <br />TIMOTHY R. O'BRLEN <br />Waste Discharge to Land Unit <br />San Joaquin River Watershed <br />cc: Mr. Mike Huggins, San Joaquin County Environmental Health Department, Stockton <br />Mr. Raynold Kablanow, Ph.D., Geological Technics, Modesto <br />CArriqoul_FIles.iluaultg 11.0nel,Lung 11.12111111.41lor <br />California Environmental Protection AREncv <br />%Tircycled Paper