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C• <br />Table G-6 RADIOLOGICAL MEASUREMENTS - PRODUCTION WELL N1 <br />Determinations Depth (in feet) - Value <br />Radium-226, total, pCi/L, 1200 1.7 + 0.8 <br />+ counting error 1605 0.2 + 0.2 <br />Radium-228, total, pCi/L, 1200 1.2 + 1.4 <br />+ counting error 1605 1.4 + 1.7 <br />Gross Alpha, total, pCi/L, 1200 0 + 21 <br />+ counting error 1605 89 + 50 <br />Gross Beta, total, pCi/L, 1200 -9 + 35 <br />+ counting error 1605 450 + 60 <br />Combined Radium-226 and Radium-228, 1200 2.9 + 1.6 <br />~• total, pCi/L, + counting error 1605 1.6 + 1.7 <br />s Variability of the radioactive disintegration process (counting error) at <br />the 95 percent confidence level, 1.96 <br />• <br />