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<br />Table 1. Result of Quarterly Monitoring, GCC Rio Grande, Inc. Pueblo Cement Plant. <br />Sampling conducted October 26, 2010. - Continued <br />Anal a Method Units MW-002 MW-003 MW-004 Du -01 <br />RADIOCHEMISTRY <br />Gross Alpha SM 7110B Ci/L 29 +/- 3 32 +/- 4 160 +/- 10 42 +/- 3 <br />Gross Beta SM 7110B Ci/L 4.9+/-3.4 0.0+/-2.9 71 +/-4 8.1 +/-2.6 <br />Radium 226 SM 7500 Ra-B Ci/L 3.0+/-1.0 1.5+/-0.8 4.9+/-1.3 1.9+/-0.8 <br />Radium 228 EPA Ra-05 Ci/L 2.0+/-0.8 1.9+/-0.6 5.0+/-0.9 0.6+/-0.7 <br />Total Solids EPA 160.3 m /L 2,570 3,000 3,080 3,030 <br />FIELD PARAMETERS <br />H Probe pH 7.37 7.24 7.24 -- <br />Conductive Probe us/Cm 2,190 2,950 2,390 <br />Temperature Probe °C 14.9 14.3 15.2 -- <br />Notes - Analyses performed by Accutest Laboratory (Formerly Evergreen Analytical). Radiochemistry sub-contracted to Hazen <br />Research. <br />Shaded cells indicate exceedance for gross alpha (15 pCi/1) or combined radium 226+228 (5 pCi/L) groundwater standards. <br />NA = Not Analyzed <br />pCi/L = picoCuries per liter, mg/L = milligrams per liter, meq/L = milli-equivalents per liter <br />us/Cm = microsiemens per centimeter <br />Dup-01 = Blind duplicate of primary groundwater sample MW-002 <br />3 of 3