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HHE determination report no. HHE-77-10-412, American Smelting and Refining Company, Denver, Colorado, August, 1977.

Authors
Gunter-BJ; Peteet-DD
Source
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 77-10-412, 1977 Aug; :1-23
NIOSHTIC No.
00099451
Abstract
Environmental and medical surveys were conducted on December 6 to 9, 1976, and March 28 to 30, 1977, to evaluate potential hazards associated with exposure to cadmium (7440439), lead (7439921), and zinc (7440666), during the operation of a secondary smelter at the Globe facility of the American Smelting and Refining Company (SIC- 3325) in Denver Colorado. The evaluation was requested by a representative of the United Steel Workers Union on behalf of the 70 affected employees. Blood lead concentrations ranged from 18 to 65 micrograms per 100 milliliters (ml), exceeding the harmful concentration of 60 micrograms per 100ml. Elevated blood lead concentrations corresponded with an elevated free erythrocytic protoporphyrin concentration. Blood cadmium concentrations ranged from 1.1 to 5.9 micrograms per 100ml, exceeding the nonexposed concentration of 1 microgram per 100ml. Urine cadmium concentrations ranged from nondetectable to 80 micrograms per gram creatinine, exceeding the 15 micrograms per gram creatinine normal concentration. Environmental cadmium concentrations ranged from 0.01 to 1.91 milligrams per cubic meter (mg/m3) exceeding the OSHA standard of 0.1mg/m3. All zinc concentrations were below recommended standards. Environmental lead concentrations ranged from nondetectable to 1.95mg/m3, exceeding the OSHA standard of exposed to lead and cadmium did exist at the time of the evaluation. They recommend that preemployment and periodic physical examinations be performed, that workers with evidence of high cadmium exposure be studied closely for health effects, that primary emphasis be placed on reducing cadmium exposures, that blood lead concentrations in workers be monitored, that the respirator program be enforced, and that smoking and eating be prohibited in all work areas.
Keywords
NIOSH-Author; HHE-77-10-412; NIOSH-Health-Hazard-Evaluation; Heavy-metals; Hazard-Confirmed; Region-8; Lead-poisoning; Blood-chemistry; Air-contaminants; Secondary-smelting; Humans; Physical-examination; Industrial-hygiene; Author Keywords: lead; cadmium; blood cadmium; beta-2-microglobulin; urine; kidney infection; renal stones; hypertension
CAS No.
7440-43-9; 7439-92-1; 7440-66-6
Publication Date
19770801
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1977
NTIS Accession No.
PB89-181986
NTIS Price
A03
Identifying No.
HHE-77-10-412
NIOSH Division
DSHEFS
SIC Code
3325
Source Name
National Institute for Occupational Safety and Health
State
CO; OH
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