# Ra isotopes in groundwater wells. # W. Burnett and B. Mortazavi, PIs # The R denotes duplicate samples. # A, B and corr denote samples that were collected by two Mn-fibers # put in series and 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 ------------------------- 29-Jun-10 2010 180 28-Jul-10 2010 209 25-Jul-11 2011 206 7-Sep-11 2011 250 29-Nov-11 2011 333 6-Mar-12 2012 66 24-Apr-12 2012 115 21-May-12 2012 142