(a) When toxic solvents are used, the employer shall employ one or more of the following measures to safeguard the health of employees exposed to these solvents.
- (1) The cleaning operation shall be completely enclosed to prevent the escape of vapor into the working space.
- (2) Either natural ventilation or mechanical exhaust ventilation shall be used to remove the vapor at the source and to dilute the concentration of vapors in the working space to a concentration which is safe for the entire work period.
- (3) Employees shall be protected against toxic vapors by suitable respiratory protective equipment in accordance with the requirements of subpart I of this part and, where necessary, against exposure of skin and eye contact with toxic solvents and their vapors by suitable clothing and equipment.
- (b) The principles in the threshold limit values to which attention is directed in § 1915.4 will be used by the Department of Labor in enforcement proceedings in defining a safe concentration of air contaminants.
- (c) When flammable solvents are used, precautions shall be taken in accordance with the requirements of § 1915.36.
[47 FR 16986, Apr. 20, 1982, as amended at 61 FR 26351, May 24, 1996]