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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> MONITORING AND REPORTING PROGRAM NO. <br /> FOR <br /> TENNECO WEST, INC. <br /> SAN JOAQUIN COUNTY <br /> MONITORING <br /> PROCESS WATER <br /> Samples shall be taken at the point of discharge to the ponds and measure- <br /> ments made as follows: <br /> Constituents Units Type of Sample Frequency <br /> pH pH Units grab monthly <br /> Flow gpd monthly <br /> Chlorides mg/l grab monthly <br /> TDS mg/l grab monthly <br /> Total Nitrogen mg/l grab monthly <br /> GROUND WATER <br /> Wells or test holes shall be provided to monitor the elevation of ground or <br /> perched water in the area of the disposal site. These wells or test holes <br /> will be located under the direction of the Board' s staff. Upon completion <br /> of the wells or test holes, the following information shall be obtained <br /> quarterly: <br /> Constituents Units Type of Sample Frequency <br /> Water elevation feet grab quarterly <br /> TDS mg/l grab quarterly <br /> Chlorides mg/l grab quarterly <br /> pH pH Units grab quarterly <br /> Total Nitrogen mg/l grab quarterly <br />