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There is a wide range of toxic gas and vapor existing
in
various working environment, and toxicity and poisoning
symptom resulting from intake of toxic gas and vapor
varies accordingly.
Some gases are said to be
substantially harmful by intake of even slight amount,
and others cause chronic symptom after inhaling for a
long time.
To avoid intoxication, it is important to use
respiratory protective equipment such as chemical cartridge
respirators and gas masks.
Upon use of chemical
cartridge respirators / gas masks, hazardous nature
of intended gas and vapor must be fully understood.
And it is necessary to select, use and maintain cartridges,
canisters and respirators appropriate for type and
concentration level of the gas and vapor existing in the
workplace.
In Japan, chemical cartridge respirators /
gas masks are required to pass the Japanese national
standard and / or Japanese Industrial Standards
(JIS T 8152) stated in the Industrial Safety and Health
Law of Japan.
Koken’s chemical cartridge respirators/
gas masks shown on this catalogue have successfully
passed the standards.
Examples of chemical substances and harmful effect |
Substances |
Applications and Generation
Sources |
Harmful Effect on
Human Body |
Chlorine |
Composition of chloroethylene,
pulp bleaching,
Sterilization and disinfection of water supply and
sewerage systems |
Skin irritation, breathing difficulty
and bronchial infection |
Sulfuric acid |
Fertilizer, explosive powder,
colorant, composition of
organic compound, and petroleum refinery |
Skin burns, loss of sight, breathing
difficulty, and
pneumonia |
Toluene |
Explosive powder, colorant, medical
product, fragrance,
and coating composition |
Skin/eye
irritation, headache, dizziness, and fatigue |
Carbon monoxide |
Composition of methanol and raw
material of ammonia |
Poisoning
symptom, headache, nausea, dizziness and pain on four limbs |
Ammonia |
Manufacture of nitrogen fertilizer,
nitric acid, and soda,
refrigerant, inorganic chemical, and colorant |
Lung
edema, skin/mucosal irritation, and impaired eyesight |
Sulfurous
acid |
Insecticide, preservatives, disinfectant,
bleacher, and
antiseptic agent |
Eye/skin/mucosal
irritation, bronchial infection, digestive disturbance, and conjunctivitis |
Hydrogen sulfide |
Analytical test, metal refinery,
and manufacture of
industrial chemicals, agricultural chemicals and medical
products |
Eye/nasal/mucosal
irritation, headache, dizziness, breathing difficulty, lung edema,
and spasm |
Formaldehyde |
Raw material of synthetic resin,
disinfectant, antiseptic
agent, and deodorant |
Eye/skin
irritation, coughing, liver/kidney damage, and cancer |
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