34 Pa. Code § 39.579 - Masks
(a) Masks shall be
composed of vulcanized rubber, fiber, metal or equivalent material, which
withstand sterilization, formed so as to protect the face of the operator above
the mouth. Masks shall be supplied with a headband or headgear of any suitable
design and material to retain the mask in proper position. Masks made of woven
wire shall have openings not greater than 0.0295 inch (0.75 mm) fiber or
equivalent material, which withstands sterilization. They shall bear a
permanent and distinctive marking by which the manufacturer, dealer or
distributor may be readily identified. No part shall be composed of
quick-burning material.
(b) For use
in electric arc welding the masks shall be constructed so as to be at least
three inches from the eyes of the wearer and shall be of nonconductive
material.
(c) Windows shall be made
to conform to the specifications and tests in §
39.575 (relating to windows of
masks).
Notes
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