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Health hazard evaluation report: HETA-84-488-1793, J.R. Simplot Company, Pocatello, Idaho.

Authors
Apol-AG; Singal-M
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 84-488-1793, 1987 Apr; :1-24
NIOSHTIC No.
00171113
Abstract
In response to a request from the Oil, Chemical and Atomic Workers International Union, a health hazard evaluation was conducted at the J.R. Simplot Company (SIC-2874), Pocatello, Idaho, concerning exposures to acid mists, ammonia (7664417), fluorides, nitrogen- dioxide (10102440) (NO2), free silica (7631869), and sulfur-dioxide (7446095) (SO2). There were about 600 workers at the facility. A medical and occupational history questionnaire completed by 74 men indicated that 30 percent had eye or upper respiratory complaints at least 1 to 2 days/week, and 17 percent had such complaints on most days. No relationship was found between chronic cough, chronic bronchitis or shortness of breath and length of employment. Chest x- rays of 40 workers did not reveal signs of pneumoconiosis. Some samples for ammonia, hydrogen-fluoride (7664393), phosphoric-acid (7664382), sulfuric-acid (7664939), and SO2 exceeded the respective NIOSH recommended exposure limits (REL). The REL for free silica was also exceeded, but exposed workers wore respirators. The authors conclude that workers are overexposed to ammonia, hydrogen- fluoride, phosphoric-acid, sulfuric-acid, silica, and SO2. The authors recommend that exposures to hazardous vapors, acid mists and particulates be reduced through application of engineering controls, respiratory protection, and monitoring. Medical evaluations should be conducted for workers using respirators and workers exposed to silica.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HETA-84-488-1793; NIOSH-Technical-Assistance-Report; Hazard-Confirmed; Region-10; Nitrogen-oxides; Sulfur-oxides; Acid-mists; Fluorine-compounds; Fertilizer-industry; Air-contamination; Author Keywords: Phosphatic Fertilizers; Acid Mists; Ammonia; Formaldehyde; Nitrogen Dioxide; Free Silica; Sulfur Dioxide
CAS No.
7664-41-7; 10102-44-0; 7631-86-9; 7446-09-5; 7664-39-3; 7664-38-2; 7664-93-9
Publication Date
19870401
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1987
NTIS Accession No.
PB87-232948
NTIS Price
A03
Identifying No.
HETA-84-488-1793
NIOSH Division
DSHEFS
SIC Code
2874
Source Name
National Institute for Occupational Safety and Health
State
ID; OH
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