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HHE determination report no. HHE-78-90-739, FMC Corporation Speciality Chemicals Division, Nitro, West Virginia.

Authors
Tharr-DG; Singal-M
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HHE 78-90-739, 1980 Sep; :1-8
NIOSHTIC No.
00103390
Abstract
Environmental samples for phosphorus-trichloride (7719122) (PCl3) and phosphorus-oxychloride (10025873) (POCl3) were analyzed, and pulmonary function tests and medical questionnaires were administered to 37 exposed and 22 unexposed employees at the FMC facility (SIC-2819) in Nitro, West Virginia on May 23 to 25, 1979. An authorized representative of the employees Local 12757 of the United Steel Workers of America requested an evaluation for approximately 59 employees. PCl3 and POCl3 samples were analyzed colorimetrically, and 1 second forced expiratory volume and forced vital capacity were measured. Most air sample results for PCl3 and POCl3 were below the detection limits. A tank yard operator was exposed to approximately 6 milligrams per cubic meter (mg/m3) of PC13 during a 1 hour truck loading operation, however on an 8 hour time weighted average basis, the exposure did not exceed the recommended standard of 3 mg/m3. A maintenance employee was exposed to approximately 4 mg/m3 of POC13 for 25 minutes during a routine procedure. Currently there is no evaluation criterion for POCl3. Pulmonary function tests of the exposed workers were normal. The authors conclude that there are intermittent exposures to both PCl3 and POCl3 which may cause acute respiratory symptoms and they recommend air purifying, respiratory protection and the use of acid gas type gas masks.
Keywords
NIOSH-Author; HHE-78-90-739; NIOSH-Health-Hazard-Evaluation; Hazard-Confirmed; Region-3; Health-surveys; Phosphorus-compounds; Pulmonary-function-tests; Air-sampling; Chemical-industry-workers; Worker-health; Author Keywords: phosphorus trichloride; PCl3; phosphorus oxychloride; POCl3; respiratory problems; pulmonary function
CAS No.
7719-12-2; 10025-87-3
Publication Date
19800901
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1980
NTIS Accession No.
PB81-170920
NTIS Price
A02
Identifying No.
HHE-78-90-739
NIOSH Division
DSHEFS
SIC Code
2819
Source Name
National Institute for Occupational Safety and Health
State
WV; OH
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