WORK PLANS - Laserfiche WebLink

Home Browse Search

ENGINEERING GEOLOGY C I V I L t N G I N t t R I N G GROUNDWATER HYDROLOGY April 26,2013 010107.05 Mr. Brendan Kenny California Regional Water Quality Control Board Central Valley Region 11020 Sun Center Drive, Suite 200 Rancho Cordova, CA 95670-6114 SUBJECT: GROUNDWATER MONITORING WELL DESTRUCTION PLAN, DIAMOND PET FOOD PROCESSORS OF RIPON, LLC AND RIPON COGENERATION, LLC, WDR ORDER No. R5-2012-0105 INTRODUCTION This letter represents the Groundwater Monitoring Well Destruction Plan(Work Plan) required to be submitted by Diamond Pet Food Processors of Ripon, LLC (Diamond) and Ripon Cogeneration, LLC (Cogen; Figure 1). The Work Plan is required by Waste Discharge Requirements (WDR) Order No. R5-2012-0105, Provision H.Lb., as follows: H.1.b. By 1 May 2013, the Discharger shall submit a Groundwater Monitoring Well Destruction Plan for the wells that are not used for the Diamond and Nestle sites. The workplan shall describe the proposed abandonment procedures, which shall comply with the California Well Standards Bulletin 74-90 (June 1991); State of California Bulletin 94-81 (December 1981); and any more stringent standards adopted by the state or county pursuant to Water Code section 13801. At a minimum, the workplan shall specifically address the monitoring wells listed in Attachment D. For each well that will not be destroyed,provide an explanation of the need to maintain the well for monitoring purpose. Table 1 List of Groundwater Monitoring Wells to be Considered for Potential Destruction (from WDR) Zone Wells First Zone OB-3, OB-6, OB-10. OB-12, OB-13, OB-14, OB-15, OB-16, OB-18, OB-19, OB-20, OB-27, M-7-B, and M-11B Second Zone TH-2,TH-4, TH-5,TH-7,TH-9, M-7-A, and M-11-A Third Zone TH-3, TH-6, TH-8,TH-10, TH-11, M-11-C and M-19-C Forth Zone TH-1 3590 Iron Court • Shasta Lake,California 96019 • (530)275-4800 • fax(530)275-7970 9 www.lwrnc.com