What NFPA 318?
Standard for the Protection of Semiconductor Fabrication Facilities. This standard presents requirements to safeguard facilities containing cleanrooms from fire and related hazards to protect against injury, loss of life, and property damage.
What is a Class 1b flammable liquid?
Class IB liquids are liquids that have flash points below 73 °F (22.8 °C) and boiling points at or above 100 °F (37.8 °C). Typical Class IB liquids include acetone, benzene, ethyl alcohol, gasoline, and isopropyl alcohol.
How many NFPA standards are there?
NFPA publishes more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks. NFPA codes and standards, administered by more than 250 Technical Committees comprising approximately 8,000 volunteers, are adopted and used throughout the world.
What is a Class 1 flammable?
A Category 1 flammable liquid is any liquid with a closed-cup flash point below 73.4°F (23°C) AND with a boiling point below 95°F (35°C).
What is a Category 1 flammable gas?
Category 1 designates gases which at 20°C (68°F) and a standard pressure of 101.3 kPa (14.7 psi) are ignitable when in a mixture of 13% or less by volume OR have a flammable range with air of at least 12 percentage points regardless of the lower flammable limit.
What does hazchem 3we mean?
“3[Y]E” means the same as a white letter on a black background. Substance control specifies what to do with the chemical in the event of a spill, either dilute or contain. Dilute means that the chemical may be washed down the drain with large quantities of water.
What is a Class 2 flammable gas?
Class 2 dangerous goods are gases. It covers compressed gases, liquefied gases, dissolved gases, refrigerated liquefied gases, mixtures of gases and aerosol dispensers/articles containing gas. There are 3 sub-divisions: Division 2.1: Flammable gases.
What is NFPA scale?
NFPA Rating Criteria and NFPA Labels A number rating system of 0-4 is provided to rate each of the four hazards and is placed on a placard. 0 represents the least hazardous while 4 represent the most hazardous.