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the Seneca II Mine than the Yoast Mine. TDS values recently exhibit a <br />stable trend (SF=0.5). <br />Springs <br />- Spoil Spring i (YSSPGI). This spoil spring was discovered in <br />September 2002. It is located just above the old haul road culvert <br />crossing Armand Draw. Its TDS plot recently displays a decreasing trend <br />(SF=0.5). <br />- Spoil Spring 2 (YSSPG2). This spoil spring was discovered in May 2005 <br />below Stock Pond O11A ( i . e. , above NPDES Pond 011) . For the past two <br />years, it has been dry in the fall. Only two samples have been collected <br />so far. <br />- Spoil Spring 3 (YSSPG3). This spoil spring was discovered in <br />September 2005 above NPDES Pond 012. Only three samples have been <br />collected so Ear. <br />- Spoil Spring 4 (YSSPG4). This spoil spring was discovered in June <br />2006, in the main channel that feeds NPDES Pond 012. It is located to <br />the north of Spoil Spring 3. Only two samples have been collected so <br />far. <br />Comparison of Surface Water Quality to Water Use Standards. SCC has <br />compiled a list of surface water standards for agricultural uses (Table <br />9). This list is composed of CDOH surface water agricultural use <br />standards (CDOH, Reg.31, December 2005). <br />Table 10 provides a comparison of surface water quality to agricultural <br />standards. This Paradox database generated table does not include the <br />units of concentration (mg/1 or ug/1) for each parameter. The units used <br />for each parameter are the same as those listed on the standards table <br />(Table 9) and are also the same as those used in the water quality <br />reports. The frequency column on Table 10 indicates the number of <br />exceedences out of the total number of samples (i.e., 1/2 indicates one <br />12 <br />