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MONITORING AND REPORTING PARAM NO. 5-00-133 <br /> CLASS II SURFACE IMPOUNDMENT <br /> THE BURLINGTON NORTHER AND SANTA FE RAILWAY CO. <br /> STOCKTON INTERMODAL FACILITY <br /> SAN JOAQUIN COUNTY <br /> F. WATER QUALITY PROTECTION STANDARDS <br /> The Water Quality Protection Standard(Standard) shall consist of the following elements: <br /> 1. Constituents of Concern 4. Points of Compliance <br /> 2. Concentration Limits 5. Compliance Period <br /> 3. Monitoring Points <br /> Each of these is described as follows: <br /> 1. Constituents of Concern <br /> The `COC list' (list of Constituents of Concern required under 27 CCR 20395) shall include all <br /> constituents listed in Attachment D. The Dischargers shall monitor all CDCs every five years, or <br /> more frequently if required under a corrective action monitoring program. <br /> a. Monitoring Parameters <br /> Monitoring parameters are constituents of concern that are the waste constituents, reaction <br /> products,hazardous constituents, and physical parameters that provide a reliable indication of <br /> a release from a surface impoundment. The monitoring parameters for the specified <br /> monitored medium are those listed in Table I through IV. <br /> 2. Concentration Limits <br /> The Discharger shall determine the Concentration Limit for any given Constituent of Concern or <br /> Monitoring Parameter in a given monitored medium (i.e., groundwater and surface water) at the <br /> facility by one of the following methods. These concentration limits shall be used as the basis of <br /> comparison with data from the Monitoring Points in that monitored medium. <br /> a. Calculation in accordance with a approved statistical method pursuant to Title 27, Section <br /> 20415; or <br /> b. Calculation by a method acceptable to the Executive Officer in accordance with Title 27 Section <br /> 20415; or <br /> C. The constituent's MDL,in cases where less than 10 percent of the background samples exceed <br /> the constituent's MDL; or <br /> d. A concentration limit greater than background, as approved by the Board for use during or after <br /> corrective action. <br /> 3. Monitoring Points <br /> These WDRs require the discharger to propose and install a groundwater monitoring system for <br /> this facility. Groundwater monitoring points for detection and evaluation monitoring shall be one <br /> or more background monitoring well, and two or more downgradient monitoring wells. The <br /> unsaturated monitoring point for the detection monitoring shall be collected from the VZMS sump <br /> LS-1. <br />