Comparative inhalation studies with American and Estonian oil shale
Conference
·
OSTI ID:6459461
This paper presents interim findings on studies comparing the effects of long-term inhalation of quartz, Estonian kukersite, or American Green River shales in rats. No tumors have been observed in the exposed animals. In the studies with Green River shales, the rate of death increased as the animals approached 2 years of exposure. Varying degrees of lung fibrosis has been noted in these animals also. Animals in the kukersite group exhibited only mild changes with some alveolar thickening, and increased macrophages and collagen. Quartz exposed animals suffered severe fibrosis after several months exposure and died after 12 to 15 months.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6459461
- Report Number(s):
- LA-UR-81-1847; CONF-810676-3; ON: DE81025254
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040700 -- Oil Shales & Tar Sands-- Health & Safety
560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
BIOLOGICAL EFFECTS
BITUMINOUS MATERIALS
BODY
CARBONACEOUS MATERIALS
CHALCOGENIDES
DOSE-RESPONSE RELATIONSHIPS
DUSTS
ENERGY SOURCES
FIBROSIS
FOSSIL FUELS
FUELS
INHALATION
INTAKE
LUNGS
MAMMALS
MATERIALS
OIL SHALES
ORGANS
OXIDES
OXYGEN COMPOUNDS
PATHOLOGICAL CHANGES
QUARTZ
RATS
RESPIRATORY SYSTEM
RODENTS
SILICON COMPOUNDS
SILICON OXIDES
VERTEBRATES
040700 -- Oil Shales & Tar Sands-- Health & Safety
560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
BIOLOGICAL EFFECTS
BITUMINOUS MATERIALS
BODY
CARBONACEOUS MATERIALS
CHALCOGENIDES
DOSE-RESPONSE RELATIONSHIPS
DUSTS
ENERGY SOURCES
FIBROSIS
FOSSIL FUELS
FUELS
INHALATION
INTAKE
LUNGS
MAMMALS
MATERIALS
OIL SHALES
ORGANS
OXIDES
OXYGEN COMPOUNDS
PATHOLOGICAL CHANGES
QUARTZ
RATS
RESPIRATORY SYSTEM
RODENTS
SILICON COMPOUNDS
SILICON OXIDES
VERTEBRATES