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i 1 III¦ 1 1¦w low low low low M M low low M <br />Table 1. Results of First Half, 2009, Groundwater Monitoring, GCC Rio Grande, Inc., Pueblo Cement Plant, Pueblo, Colorado. <br />Sampling conducted May 12, 2009. <br />Ana a Method Units Basic Std.' MW-002 MW-003 MW-004 DUP-01 EB-01 <br />DISSOLVED ME TALS <br />Aluminum 200.7ICP m /L 5.0(e) <0.10 <0.10 <0.10 <0.10 <0.10 <br />Barium 200.71CP m /L 2.0 0.0385 0.0127 0.0140 0.0355 <0.0020 <br />Beryllium 200.7ICP m /L 0.004 <0.00045 <0.00045 <0.00045 <0.00045 <0.00045 <br />Boron 200.7ICP m /L 0.75(6) 0.0891 0.108 0.248 0.0871 <0.020 <br />Calcium 200.7ICP m /L -- 228 190 320 202 <0.387 <br />Chromium 200.71CP /L 0.1 <0.010 <0.010 <0.010 <0.010 <0.010 <br />Cobalt 200.7ICP m /L 0.05(6) <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br />Iron 200.7ICP m /L 0.3(8) <0.070 <0.070 <0.070 <0.070 <0.070 <br />Lithium 200.7ICP m /L 2.5(b) 0.0688 0.0576 0.159 0.0646 <0.0020 <br />Magnesium 200.7ICP m /L -- 63.7 51.3 133 58.7 <0.15 <br />Manganese 200.7ICP m /L 0.05(x) 0.674 <0.0050 0.178 0.598 <0.0050 <br />Nickel 200.71CP m /L 0.1 <0.030 <0.030 <0.030 <0.030 <0.030 <br />Potassium 200.7ICP /L -- 4.79 2.06 5.53 4.48 <0.340 <br />Silver 200.7ICP m /L 0.05 <0.030 <0.030 <0.030 <0.030 <0.030 <br />Silicon 200.7ICP m /L -- 14.4 14.1 12.5 93.4 0.249 <br />Sodium 200.7ICP m /L -- 129 86.4 239 118 <0.40 <br />Vanadium 200.7ICP m /L 0.1(6) <0.01 <0.01 <0.01 <0.01 <0.01 <br />Zinc 200.71CP m /L 5.00) <0.03 <0.03 <0.03 <0.03 <0.03 <br /> <br />Antimony 200.8ICP-MS m /L 0.006 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <br />Arsenic 200.8ICP-MS m /L 0.01 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <br />Cadmium 200.8ICP-MS m /L 0.005 <0.00050 <0.00050 <0.00050 <0.00050 <0.010 <br />Copper 200.8ICP-MS m /L 1.0(x) <0.010 <0.010 <0.010 <0.010 <0.0010 <br />Lead 200.8ICP-MS m /L 0.05 <0.0010 <0.0010 <0.0010 <0.0010 <0.0020 <br />Selenium 200.8ICP-MS m /L 0.05 <0.0020 <0.0020 0.103 0.00253 <0.00020 <br />Silver 200.8ICP-MS m /L 0.05 <0.00020 <0.00020 <0.00020 <0.00020 <0.00100 <br />Thallium 200.8ICP-MS m /L 0.002 <0.00100 <0.00100 <0.00100 <0.00100 <0.00002 <br />Mercury E245.1 CV-AA m /L 0.002 <0.00002 <0.00002 0.000034 <0.00002 <0.00050 <br />1. Colorado Basic Standard for Groundwater - Human Health, Secondary Drinking Water a?, and Agricultural(') <br />?