§ 47.90. Filter pressing and straining.
(a) Mechanisms. In the manufacture of parareds the diazotised solution shall be run through double cheesecloth or other filtering medium when going to the precipitating tanks.
(b) Gloves. All workers engaged in filter-pressing compounds containing either lead or arsenic shall wear suitable gloves furnished by the employer for their protection.
(c) Respiration and gloves. Employes handling dry color cakes containing lead or arsenic shall wear suitable gloves and respirators furnished by the employer and such substances shall not be emptied in the dry room.
(d) Dry room. Dry rooms constructed after 1917 shall not require entering by employes to remove their contents.
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