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M M M M M M M =. 11 <br />Table 1. Result of Quarterly Monitoring, GCC Rio Grande, Inc. Pueblo Cement Plant. Sampling conducted April 30, 2010. - <br />Continued <br />Anala Method Units MW-002 MW-003 MW-004 Du -01 <br />RADIOCHEMISTRY <br />Gross Alpha <br />Gross Beta. <br />Radium 226 <br />Radium 228 SM 7110B <br />SM 7110B <br />SM 7500 Ra-B <br />EPA Ra-05 Ci/L <br />Ci/L <br />Ci/L <br />Ci/L 77 +/- 5 <br />46 +/- 3 <br />4.1+/-1.2 <br />1.9+/-0.8 69 +/- 4 <br />57 +/- 3 <br />6.8+/-1.5 <br />1.8+/-0.8 67+/-4 <br />16 +/- 3 <br />1.9+/-0.8 <br />1.2+/-0.7 57 +/- 4 <br />39 +/- 3 <br />2.5+/-0.9 <br />1.2 +/- 0.8 <br />Total Solids EPA 160.3 m /L 4,620 6,160 3,370 5,020 <br />FIELD PARAMETERS <br />H Probe pH 7.25 7.33 7.16 -- <br />Conductive Probe us/Cm 1,818 1,163 2,640 <br />Temperature Probe °C 9.1 9.6 11.1 -- <br />Notes - Analyses performed by Accutest Laboratory (Formerly Evergreen Analytical). Radiochemistry sub-contracted to Hazf;.iy <br />Research. <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