Report of the bioassay laboratory, July 1972 through June 1973

Technical Report · Thu Nov 01 04:00:00 EST 1973

OSTI ID:4355926

Schmidt, C T; Sargent, T W; Yaeger, D J; Low-Beer, A d

Bioassay measurements of internal radioactive contamination are an important part of an effective radiation safety program. At the Lawrence Berkeley Laboratory both whole-body counting and radiochemical analysis of excreta are used for this purpose. This report summarize the results of the bioassay program for fiscal year 1972 to 73. At LBL, 117 employees are requested to supply 24-hour urine samples for bioassay. Requests are generally made either once or twice per year for each employee. These persons work with, or in areas containing, unsealed radioactive materials. During the period of this report, 84 employees submitted urine samples for a 72% compliance factor. In addition to this routine program, the bioassay laboratory performs special tests in the case of actual or suspected radioactive release. Summary results of the bioassay program for fiscal 1972-1973 are presented. These include results from the routine survey program and from special tests following known or suspected radioactive releases. Two incidents involving excretion levels of /sup 14/C and / sup 3/H exceeding ICRP derived investigation levels are reported in detail. Accomplishments of the research and development program are also described. (CH)

• Research Organization: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
• DOE Contract Number: W-7405-ENG-48
• NSA Number: NSA-29-016048
• OSTI ID: 4355926
• Report Number(s): LBL--2448
• Country of Publication: United States
• Language: English

Related Subjects

*BETA SOURCES-- RADIATION MONITORING
*CARBON 14-- RETENTION
*LAWRENCE BERKELEY LABORATORY-- PERSONNEL DOSIMETRY
*PERSONNEL-- WHOLE-BODY COUNTING
*TRITIUM-- RETENTION
*URINE-- RADIOMETRIC ANALYSIS
INTERNAL IRRADIATION
N48610* --Life Sciences--Radionuclide Effects (Internal Source)--Man
RADIATION DOSES
RADIATION PROTECTION
RADIONUCLIDE KINETICS
SAMPLING
UPTAKE