Incidence and progression of pneumoconiosis over nine years in U. S. coal miners: I. Principal findings
Journal Article
·
· Am. J. Ind. Med.; (United States)
Chest radiographs, taken at a 9-year interval for 1,261 U.S. coal miners, were read for pneumoconiosis side-by-side by six readers in a controlled trial. Incidence and progression of small, rounded opacities were consistent with levels predicted from dose-response curves developed by the British Pneumoconiosis Field Research interpolated at a concentration derived from U.S. compliance levels mandated over the last 9 years. The results imply that the level of pneumoconiosis in U.S. miners is being reduced through application of the current 2 mg/m3 standard. The long developmental period for pneumoconiosis necessitates that further study be undertaken to verify this finding and to determine whether 2 mg/m3 is an appropriate regulatory dust level for the prevention of category 2 or greater simple pneumoconiosis over a 35-year period.
- Research Organization:
- NIOSH, Morgantown, WV
- OSTI ID:
- 5811338
- Journal Information:
- Am. J. Ind. Med.; (United States), Journal Name: Am. J. Ind. Med.; (United States) Vol. 6:6; ISSN AJIMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
016000* -- Coal
Lignite
& Peat-- Health & Safety
550602 -- Medicine-- External Radiation in Diagnostics-- (1980-)
560306 -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
62 RADIOLOGY AND NUCLEAR MEDICINE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOMEDICAL RADIOGRAPHY
BODY
BODY AREAS
CARBONACEOUS MATERIALS
CHEST
COAL
COAL MINERS
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASE INCIDENCE
DISEASES
DOSE-RESPONSE RELATIONSHIPS
DUSTS
ENERGY SOURCES
EPIDEMIOLOGY
FOSSIL FUELS
FUELS
MATERIALS
MEDICINE
MINERS
NUCLEAR MEDICINE
OCCUPATIONAL DISEASES
OCCUPATIONAL EXPOSURE
PERSONNEL
PNEUMOCONIOSES
RADIOLOGY
RESPIRATORY SYSTEM DISEASES
TIME DEPENDENCE
016000* -- Coal
Lignite
& Peat-- Health & Safety
550602 -- Medicine-- External Radiation in Diagnostics-- (1980-)
560306 -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
62 RADIOLOGY AND NUCLEAR MEDICINE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOMEDICAL RADIOGRAPHY
BODY
BODY AREAS
CARBONACEOUS MATERIALS
CHEST
COAL
COAL MINERS
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASE INCIDENCE
DISEASES
DOSE-RESPONSE RELATIONSHIPS
DUSTS
ENERGY SOURCES
EPIDEMIOLOGY
FOSSIL FUELS
FUELS
MATERIALS
MEDICINE
MINERS
NUCLEAR MEDICINE
OCCUPATIONAL DISEASES
OCCUPATIONAL EXPOSURE
PERSONNEL
PNEUMOCONIOSES
RADIOLOGY
RESPIRATORY SYSTEM DISEASES
TIME DEPENDENCE