Results of The Excreta Bioassay Quality Control Program For April 1, 2010 Through March 31, 2011

Antonio, Cheryl L.

Pacific Northwest National Laboratory (U.S.)

关键词: Specifications;    Quality Control;    Radioisotopes;    61 Radiation Protection And Dosimetry;    Dosimetry;   

DOI  :  10.2172/1047414
RP-ID  :  PNNL-21516
RP-ID  :  AC05-76RL01830
RP-ID  :  1047414

美国|英语

来源: UNT Digital Library

【 摘 要 】

A total of 76 urine samples and 10 spiked fecal samples were submitted during the report period (April 1, 2010 through March 31, 2011) to GEL Laboratories, LLC in South Carolina by the Hanford Internal Dosimetry Program (IDP) to check the accuracy, precision, and detection levels of their analyses. Urine analyses for 14C, Sr, for 238Pu, 239Pu, 241Am, 243Am, 235U, 238U, 238U-mass and fecal analyses for 241Am, 238Pu and 239Pu were tested this year. The number of QC urine samples submitted during the report period represented 1.1% of the total samples submitted. In addition to the samples provided by IDP, GEL was also required to conduct their own QC program, and submit the results of analyses to IDP. About 31% of the analyses processed by GEL during the first year of contract 112512 were quality control samples. GEL tested the performance of 23 radioisotopes, all of which met or exceeded the specifications in the Statement of Work within statistical uncertainty except the slightly elevated relative bias for 243,244Cm (Table 4).