§ 13.151. Manufacturing.
(a) Purpose. This section sets out the requirements for the manufacture of all of the following:
(1) Litharge or massicot.
(2) Flake litharge.
(3) Red lead.
(4) Minium.
(5) Orange mineral.
(b) Furnace. The furnace, at the point of discharge, shall be equipped with a hood or such other device as shall efficiently remove all dust and fume that is generated, and all apparatus shall be approved by the Department or its authorized representatives.
(c) Dust. Employes shall be instructed to take care in removing the contents of the furnace so as not to create dust. The employer shall equip all trucks, cars, barrels or other containers into which the litharge, flake litharge, red lead or orange mineral is raked or otherwise brought from the furnace, either with a hinged cover so that when one side of this top is being depressed to allow material to enter the container the other side will be closed, or equip the receptacle with a hood or other dust tight cover connected with an effecient air exhaust and dust-collecting system, as provided for in § 13.148(c) (relating to carbonate of lead or white lead; Old Dutch Process). The provisions of this subsection do not apply to that type of mechanical furnace in which the oxidized material is deposited either mechanically or by hand beneath the oxidizing hearth.
(d) Melting pot. In the manufacture of flake litharge the melting pot shall be provided with a hood connected with an efficient air exhaust.
(e) Falling material. It is prohibited to rake or otherwise cause material containing lead to fall from the furnace to the floor of the workroom.
(f) Separate room. In the manufacture of litharge by means of a cupellation furnace it is permitted to dump the litharge in a separate room if all employes entering such rooms wear a hood or such other protective device as shall be authorized by the Department or its authorized representative.
(g) Protectors. The employer shall provide such authorized devices for the use of all employes without expense to the employes, and all employes shall wear such devices, and no employe or other person shall be permitted to enter the workroom unless wearing such device.
(h) Storage. Scrap lead and tailings shall not be stored or otherwise left on the floor of the workroom. All such material shall be either kept in boxes with dustproof covers or kept thoroughly damp at all times while so stored.
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