# Ra isotopes in groundwater wells. # W. Burnett and B. Mortazavi, PIs # The R denotes duplicate samples. # A,e collected benote samples that werin series a by two Mn-fibers # put ected for thd the final results corrected for the recovery. # Uncertainties given are +-1 sigma based on counting statistics. # B.D. = below detection. Low yields on some of the shallow wells # were a result of reducing groundwaters attaching the MnO2 fibers. ========================= date_local year yrday_local ------------------------- 25-Jul-11 2011 206 ========================= site lon lat temp sal Ra223 err_Ra223 Ra224 err_Ra224 Ra226 err_Ra226 Ra228 Ra228_err Yield ------------------------- TW1 -87.693 30.255 27.7 3.8 2.21 0.24 23.8 1.19 12.2 0.25 25.2 2.52 nd TW1R -87.693 30.255 27.7 3.8 2.73 0.29 25.5 1.25 13.5 0.65 20.2 2.89 nd TW5 -87.725 30.254 27.5 0.2 1.93 0.22 49.4 1.44 22 0.6 39.7 3.44 nd TW5A -87.725 30.254 27 0.2 2.5 0.26 53.4 1.4 33.6 0.46 40.5 3.38 83.9 TW5B -87.725 30.254 27 0.2 0.94 0.16 3.8 0.23 5.42 0.15 5.45 3.13 nd TW5corr -87.725 30.254 27 0.2 2.98 0.31 63.7 1.67 40 0.55 48.3 4.03 nd TW5R -87.725 30.254 27.5 0.2 1.56 0.19 56.8 1.64 30 0.52 35.2 2.73 nd