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Spoil Spring l0A is located 1200 feet above the haul road culvert and is at the toe of the Wolf Creek pit underdrain. It displays a stable TDS trend. Spoil Springs lOB and lOC were not sampled this year since the road to these two springs has been reclaimed. Flow from lOB and lOC eventually makes its way to 10 and 10A. - Spoil Spring 9. This spring is located in the area immediately upstream of the 008 pond. It exhibits an increasing EC trend. Comparison of Surface Water Quality to Water Use Standards. SCC has compiled a list of surface water standards for agricultural uses (Table 9). This list is composed of CDOH surface water agricultural use standards (CDOH, Reg.31, October 2001). Table 10 provides a comparison of surface water quality data this year to agricultural standards. This Paradox database generated table does not include the units of concentration (mg/1 or ug/1) for each parameter. The units used for each parameter are the same as those listed on the standards table (Table 9) and are also the same as those used in the water quality reports. The frequency column on Table 10 indicates the number of exceedences out of the total number of samples (i.e., 1/2 indicates one exceedence out of two samples). Below is a summary of standards that were exceeded. Given in parenthesis is the source and use of each standard. Although the CDOH does not indicate between livestock and irrigation uses in their surface water agricultural standards, they have done so in their similar ground water agricultural standards (see Table 5). For the sake of discussion, SCC chooses to use those ground water use standards classifications (livestock or irrigation) for surface water use evaluation. Parameter manganese (CDOH irrigation) cadmium (CDOH irrigation) nickel (CDOH irrigation) # of Sites / # of Excursions 12/17 1/1 1/1 • 20