Laserfiche WebLink
HAZEN RESEARCH, INC. <br />RADIOCHEMISTRY LABORATORY <br />Batch QC Evaluation Form -Gross Alpha <br />Date: d o-1 201 <br />Analyte: Gross Alpha <br />Control Standard: ID: C- I 1 pCi /ml: 57.`•}-(use I ml diluted) <br />Spike Solution: ID: C-11 pCi /ml: 57.+(use_.f_ml) <br />Spike Recovery Calculation: Sample: <br />0.4 <br />Calculation: ( (.ol .'+1(t • 0� - (0.`11 (0. Z> X 100 = X07 % <br />5-7. q <br />Batch QC Evaluation: <br />Parameter <br />Criteria <br />Pass <br />Fail <br />N/A <br />Control Std. <br />+/--30% <br />Spike Recovery <br />70-130% <br />Blank <br />< or = 2 x MDL <br />Duplicate 1 <br />95% confidence interval overlap <br />Duplicate 2 ` <br />95% confidence interval overlap <br />` Required for batch size greater than 10 samples. <br />Conclusions: <br />Batch Passes <br />Batch Fails <br />Batch Passes, with exceptions: <br />Reruns Required: <br />Narrative: <br />Batch Listinq by Lab Control Number: <br />cz4s C37 <br />C24 C3 <br />C27(o C3 i <br />S214 <br />C3t4 i <br />Evaluator: '1 / <br />0 C5 Lf) , 4 . <br />Date <br />IN]) <br />■ 6of12 <br />ACCUTEST, <br />D55700X <br />