The primary means to control occupational diseases caused by breathing contaminated air is through the use of feasible engineering controls, such as enclosures, confinement of operations, ventilation, or substitution of less toxic materials
When effective engineering controls are not feasible, or while they are being instituted, appropriate respirators shall be used pursuant to this standard
Employer shall provide respirators, when necessary, which are applicable and suitable for the purpose intended
Employer shall be responsible for establishment and maintenance of a respirator program which includes the requirements of paragraph (c), Respiratory protection program