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Table 1. Result of Second Half 2008 Monitoring, GCC Rio Grande, Inc. Red Rock Plant and Limestone Mine. Sampling <br />conducted November 6, 2008. <br />Anal a Method Units Basic Std.1 MW-002 MW-003 MW-004 DUP-01 EB-01 <br />DISSO LVED MET ALS <br />Aluminum 200.7 ICP m /L 5.0(b) <0.10 <0.10 0.127 <0.10 <0.10 <br />Barium 200.7 ICP m /L 2.0 0.0432 0.0229 0.0164 0.0439 <0.0020 <br />Beryllium 200.7 ICP m /L 0.004 <0.00045 <0.00045 <0.00045 <0.00045 <0.00045 <br />Boron 200.7 ICP m /L 0.75(6) 0.119 0.174 0.280 0.115 <0.020 <br />Calcium 200.7 ICP m /L -- 234 325 316 236 <0.387 <br />Chromium 200.7 ICP m /L 0.1 <0.010 <0.010 <0.010 <0.010 <0.010 <br />Cobalt 200.7 ICP m /L 0.05(6) <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br />Iron 200.7 ICP m /L 0.3(a) 0.456 <0.070 0.0783 0.241 <0.070 <br />Lithium 200.7 ICP m /L 2.5(b) 0.0744 0.114 0.170 0.0736 <0.0020 <br />Magnesium 200.7 ICP m /L -- 64.6 97.0 128 64.1 <0.15 <br />Manganese 200.7 ICP m /L 0.05(x) 0.717 0.308 0.265 0.689 <0.0050 <br />Nickel 200.7 ICP m /L 0.1 <0.030 <0.030 <0.030 <0.030 <0.030 <br />Potassium 200.7 ICP m /L -- 5.76 3.90 6.37 5.75 <0.340 <br />Silver 200.7 ICP m /L 0.05 <0.030 <0.030 <0.030 <0.030 <0.030 <br />Silicon 200.7 ICP m /L -- 17.4 21.9 14.8 17.2 0.195 <br />Sodium 200.7 ICP m /L -- 122 261 246 122 0.449 <br />Vanadium 200.7 ICP m /L 0.1(b) <0.01 <0.01 <0.01 <0.01 <0.01 <br />Zinc 200.7 ICP m /L 5.0(a) <0.03 <0.03 <0.03 <0.03 <0.03 <br /> <br />Antimony 200.8 ICP-MS m /L 0.006 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <br />Arsenic 200.8 ICP-MS m /L 0.01 0.00335 0.00261 <0.0020 0.00353 0.00269* <br />Cadmium 200.8 ICP-MS m /L 0.005 <0.00050 <0.00050 <0.00050 <0.00050 <0.010 <br />Co er 200.8 ICP-MS m /L 1.0(a) <0.010 <0.010 <0.010 <0.010 <0.0010 <br />Lead 200.8 ICP-MS m /L 0.05 <0.0010 <0.0010 0.00119 <0.0010 <0.0020 <br />Selenium 200.8 ICP-MS m /L 0.05 <0.0020 0.00891 0.116 <0.0020 <0.00020 <br />Silver 200.8 ICP-MS m /L 0.05 <0.00020 <0.00020 <0.00020 <0.00020 <0.00100 <br />Thallium 200.8 ICP-MS m /L 0.002 <0.00100 <0.00100 <0.00100 <0.00100 <0.00002 <br />Mercury <br />* A...,nr.;n .iroo ` E245.1 CV-AA <br />ln4nn4efl ;n tho Hold hla m /L <br />nik nt n rnn 0.002 <0.00002 <0.00002 <0.00002 <br />rPntrnt;nn similar to throe of the groundwater samples. Arsenic <0.00002 <0.00050 <br />detections in eroundwater may be the <br />result of blank contamination bias, and are evaluated as false positive results. <br />, and Agricultural <br />(1. Colorado Basic Standard for Groundwater - Human Health, Secondary Drinking Watera? ?b?