Section 39.580. Helmets

Latest version.

(a) Helmets shall bear some permanent distinctive marking by which the source may be readily identified. They shall be capable of withstanding sterilization.
(b) Helmets shall be of such size and so shaped that they protect the face from direct radiant energy.
(c) They shall be arranged so as to rest on the shoulders or chests, or they may be arranged so that they may be slipped back over the head of the operator when not in use.
(d) The weight of helmets that are arranged to be carried by the head of the operator shall not exceed 690 grams (24 ounces).

                    
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