The storage, use and disposal of flammable and combustible liquids falls under the rules and regulations promulgated under OSHA and the National Fire Association.
All users of flammable and combustible material must follow these rules.
A flammable liquid is any liquid, solid or gas that will ignite easily and burn rapidly. Materials that are flammable are of concern due to their ability to render damage to property and more importantly, to injure or cause death of workers.
鈥淔lammable liquids鈥 refer to any liquid having a flash point below 100掳F. Such flammables are Class I liquids. These liquids are subdivided onto three classes. The following is an illustrative list of common flammable liquids:
Class IA Flash point below 73掳F, boiling point below 100掳F
acetaldehyde | ethyl chloride | petroleum ether |
collodion | methyl ethyl ether | propylene oxide |
ethyl ether | pentane |
Class IB Flash point below 73掳F. boiling point at or above 100掳F
acetone | ethyl acetate | methyl alcohol |
benzene | ethyl alcohol | methycyclohexane |
butyl alcohol | gasoline | toluene |
Class IC Flash point at or above 73掳F and below 100掳F
amyl acetate | isopropanol | turpentine |
amyl alcohol | methyl alcohol | xylene |
dibutyl ether | styrene |
鈥淐ombustible liquids鈥 refers to any liquid having a flash point at or above 100掳F. Combustible liquids are subdivided as follows:
Class II Flash point at or above 100掳F and below 140掳F
acetic acid | fuel oil no. 44 | mineral spirits |
camphor oil | methyl lactate | varsol |
cyohexane | hydrazine | kerosene |
Class III Flash point at or above 140掳F and below 200掳F
anline | furfury alcohol | phenol |
carbolic acid | naphthalenes | pine oil |