Current through Register Vol. 54, No. 50, December 14, 2024
(a) Hoods shall be designed to cover the head and neck completely so as to effectively exclude dust and small particles.(b) Windows shall conform to the specifications in § 39.575 (relating to windows of masks).(c) Ventilation shall be secured from an external source of air, conducted to the operator by means of a hose. The air pressure shall be so reduced and the distribution of the air within the helmet shall be such that the employe is not subjected to physical discomfort during, or as a result of, his work.(d) A separator trap shall be provided in the air line for the removal of oil, water and scale.