These substitutes are flammable. Use with the necessary precautions. These substitutes are flammable. Use with the necessary precautions. The OSHA set exposure limit is 200 ppm.
Limited exemptions exist.
These are described in the section on aerosol substitutes in 59 FR 13044. Acceptable None Hydrocarbons are flammable. Use with the necessary precautions. Acceptable None Hydrocarbons are flammable. Use with the necessary precautions.