Airliner cabin ozone: An updated review. Final report
Technical Report
·
OSTI ID:6776310
The recent literature pertaining to ozone contamination of airliner cabins is reviewed. Measurements in airliner cabins without filters showed that ozone levels were about 50 percent of atmospheric ozone. Filters were about 90 percent effective in destroying ozone. Ozone (0.12 to 0.14 ppmv) caused mild subjective respiratory irritation in exercising men, but 0.20 to 0.30 ppmv did not have adverse effects on patients with chronic heart or lung disease. Ozone (1.0 to 2.0 ppmv) decreased survival time of influenza-infected rats and mice and suppressed the capacity of lung macrophages to destroy Listeria. Airway responses to ozone are divided into an early parasympathetically mediated bronchoconstrictive phase and a later histamine-mediated congestive phase. Evidence indicates that intracellular free radicals are responsible for ozone damage and that the damage may be spread to other cells by toxic intermediate products: Antioxidants provide some protection to cells in vitro from ozone but dietary intake of antioxidant vitamins by humans has only a weak effect, if any. This review indicates that earlier findings regarding ozone toxicity do not need to be corrected. Compliance with existing FAA ozone standards appears to provide adequate protection to aircrews and passengers.
- Research Organization:
- Federal Aviation Administration, Washington, DC (USA). Office of Aviation Medicine
- OSTI ID:
- 6776310
- Report Number(s):
- AD-A-219264/9/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR POLLUTION MONITORING
AIRCRAFT
ANIMAL TISSUES
ANIMALS
ANTIOXIDANTS
BODY
CARDIOVASCULAR SYSTEM
DOCUMENT TYPES
ECOLOGICAL CONCENTRATION
HEART
INDOOR AIR POLLUTION
LUNGS
MAMMALS
MAN
MICE
ORGANS
OZONE
PATIENTS
POLLUTION
PRIMATES
PROGRESS REPORT
RADICALS
RATS
RESPIRATORY SYSTEM
RETICULOENDOTHELIAL SYSTEM
RODENTS
STANDARDS
TISSUES
TOXICITY
VERTEBRATES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR POLLUTION MONITORING
AIRCRAFT
ANIMAL TISSUES
ANIMALS
ANTIOXIDANTS
BODY
CARDIOVASCULAR SYSTEM
DOCUMENT TYPES
ECOLOGICAL CONCENTRATION
HEART
INDOOR AIR POLLUTION
LUNGS
MAMMALS
MAN
MICE
ORGANS
OZONE
PATIENTS
POLLUTION
PRIMATES
PROGRESS REPORT
RADICALS
RATS
RESPIRATORY SYSTEM
RETICULOENDOTHELIAL SYSTEM
RODENTS
STANDARDS
TISSUES
TOXICITY
VERTEBRATES