Gross Beta Flags. A = Result acceptable, Bias <= +/- 50% with a statistically positive result at two standard deviations (Result/Uncertainty > 2, i.e., the range encompassing the result, plus or minus the total uncertainty at two standard deviations, does not include zero). N = Result not acceptable, Bias > +/- 50% or the reported result is not statistically positive at two standard deviations (Result/Uncertainty <= 2, i.e., the range encompassing the result, plus or minus the total uncertainty at two standard deviations, includes zero).
Gross Beta Flags. A = Result acceptable, Bias ≤ ± 50% with a statistically positive result at two standard deviations (Result/Uncertainty > 2, i.e., the range encompassing the result, plus or minus the total uncertainty at two standard deviations, does not include zero). N = Result not acceptable, Bias > ± 50% or the reported result is not statistically positive at two standard deviations (Result/Uncertainty ≤ 2, i.e., the range encompassing the result, plus or minus the total uncertainty at two standard deviations, includes zero). NOT ACCEPTABLE RP < 2% ACCEPTABLE 2% ≤ RP ≤ 15% ACCEPTABLE WITH WARNING 15% < RP ≤ 30% NOT ACCEPTABLE. RP > 30% Relative Precision (RP) = (Reported Uncertainty / Reported Result) x 100 MAPEP-23-GrF49 Radiological Xxxxx alpha 27 3 (ADEM01) Alabama Department of Environmental Management 0000 Xxxxxxxx Xxxx. Montgomery, AL 36110 Radiological Units: (Bq/sample) Analyte Result Ref Value Flag Notes Bias (%) Acceptance Range Unc Unc Value Flag Gross alpha NR 0.255 0.077 - 0.434 Gross beta 1.05154 0.927 A 13.4 0.464 - 1.391 0.0342879 A
