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Table 7 Grab Samples <br /> General Parameters Major Ions (mg/L) Metals (mg/L) (i) <br /> Sample Information (gpm) (mg/L) (mg/L) (s.u.) (mg/L) (Ps/cm) Na Ca Mg K CI F NO3 P HCO3 SO4 As Ba Be <br /> Pedestrian Survey Grab Sample, 8/29/2023 0.9 274 7.82 185 324.1 20 68 10 2 15 0.3 <0.5 0.043 222 37 0.007 0.12 <0.001 <br /> Colorado Water Standards <br /> Ground Water, Domestic 6.5 to 8.5 250 4.0 10.0 250 0.01 2.0 0.004 <br /> Ground Water, Agriculture 6.5 to 8.5 2 100 0.1 0.1 <br /> Surface Water, Stream (e,f) 6.5 to 9.0 250 0.100 0.100 <br /> Surface Water, Domestic 5.0 to 9.0 250 2.0 10.0 250 0.1(g) 1.0 0.004 <br /> Surface Water, Agriculture 100 0.1 0.1 <br /> EPA Water Standards (h) <br /> Maximum 30 6.0 to 9.0 <br /> Average 20 6.0 to 9.0 <br /> Notes: <br /> 1. Water standards are provided for reference only. These standards do not apply to the spring water unless it is used for drinking water, irrigation, or other regulated uses. <br /> 2. Concentrations or activity levels above a state or federal standard are shaded for reference purposes. Shading indicates that the measured level is elevated compared to cetain standards of water use. <br /> 3. Metal and radionuclide levels are reported as total recoverable. <br /> Table 7 Water Quality Data <br /> Grab Samples <br /> 1 of 2 <br />