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HHE Report No. HETA-82-361-1437, Kerr-McGee Nuclear Corporation, Grants, New Mexico.

Authors
Ward-EM; Smith-AB; Thun-MJ; Hills-B
Source
NIOSH 1984 Mar:34 pages
Link
NIOSHTIC No.
00146668
Abstract
A health hazard evaluation at Kerr/McGee Nuclear Corporation's uranium (7440611) mill (SIC-1094) in Grants, New Mexico was conducted in November, 1982. Evaluation was requested because of union concern about exposure and possible nephrotoxic effects of yellowcake, a concentrate of natural uranium, produced at the mill. Personnel records, company environmental and personal monitoring, and urine uranium bioassay data were reviewed. A total of 269 of 1127 urine samples exceeded the Nuclear Regulatory Commission (NRC) lower action concentration of 15 micrograms per liter (microg/l) for uranium, and 104 samples exceeded the NRC upper action concentration of 30microg/l. Workers in the yellowcake drier and precipitation areas of the mill had mean urine uranium concentrations of 15 to 30microg/l. Duration of exposure to yellowcake was 1.5 to 7 years. The authors conclude that 23.9 percent of the urine uranium samples exceed the NRC lower action limit and 9.3 percent exceed the upper limit. Further medical evaluation at the facility is not warranted as the longest exposure to yellowcake was only 7 years. They recommend that Kerr/McGee use the NRC guidelines for assessing exposure. Emission sources in the drier and precipitation area should be identified and engineering controls installed to reduce the exposure.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; Hazards-Unconfirmed; Metal-refining; Region-6; Exposure-levels; Urinalysis; Health-standards; Kidney-damage; HETA-82-361-1437;
CAS No.
7440-61-1;
Publication Date
19840301
Document Type
Hazard Evaluation and Technical Assistance;
Fiscal Year
1984
NTIS Accession No.
PB85-221380
NTIS Price
A04
Identifying No.
HETA-82-361-1437
NIOSH Division
DSHEFS;
SIC Code
1094;
Source Name
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. HETA-82-361-1437, 34 pages, 39 references
State
NM; OH;
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