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Sent By: RWOCB SACRAMENTO; 916 255 3015; Apr-13- 10:50; Page 11 /15 <br /> MONITORING AND REPORTING PROGRAM _3- <br /> FOX VALLEY CORPORATION <br /> AND FOX RIVER PAPER COMPANY <br /> RIPON MILL <br /> SAN JOAQUIN COUNTY <br /> SURFACE IMPOUNDMENT MONITORING <br /> Aeration Stabilization Basin Nov 2 samples shall be collected downstream from the Iast connection <br /> through which waste can be admitted into the surface impoundment. Sampics must be <br /> representative of the volume and nature of the discharge from Aeration Stabilization Basin No. 1. <br /> Grab samples shall be collected in a convenient location at least 2(K)feet from the influent structure <br /> of Aeration Stabilization Basin No. 2. Time of collection of a grab sample shall be recorded. <br /> If a discharge occurs in one of the four overflow ponds. then the time disciarge began to the <br /> overflow Pond(s) must be noted. <br /> The following shall constitute the surface impoundment monitoring program: <br /> Sample Type of Sampling <br /> CQnstijugn Location 111lik sampie Frequency <br /> PH ASB No. 2 pH Units Grab Weekly <br /> Sppecific ASB No. 2 }mhos/cm Grab Weekly <br /> Conductivity <br /> Total Dissolved ASB No. 2 mg/l Grab Weekly <br /> Solids <br /> Freeboard ASB No. 2 feet -- Monthly <br /> Standard Minerals ASB No. 2 mg/1 Grab Annually <br /> The exposed portion of the surface impoundment shall be inspected monthly. Monthly inspection <br /> reports shall be submitted with quarterly monitoring reports and shall include a description of the <br /> condition of the waste water management facilities and any changes in appear-ance from the <br /> previous.m.onth_ <br /> GROUND WATER MONITORING <br /> The water level in each monitoring well shall be measured quarterly. Data from water level <br /> measurements shall be used to construct ground water contour maps showing the direction of <br /> ground water flow in.the aquifer beneath the Ripon Mill property. Ground water contour maps <br /> shall be submitted with the quarterly monitoring reports. Contour maps shall be constructed using <br /> feet above mean sea level. <br /> The ground water monitoring system will include the following monitoring and process wells: <br /> OBI-25,TH1-10, M7A, M7B,MI]A, MI IS.M1 IC. M19C, M20C, M1:0D.PW-4, PW-5, <br /> PW-6, PW-7, and PW-8. <br /> The Discharger may propose, for approval, modifications in the monitoring system. Such <br /> modifications may include removal of monitoring wells from the system and replacement with <br /> existing wells or new wells. Monitoring wells proposed for permanent deletion from the system <br />