(a) Findings and declaration of fact. The following occupations
involved in the manufacture of clay construction products and of silica
refractory products are particularly hazardous for the employment of
minors between 16 and 18 years of age, and detrimental to their health
and well-being.
(1) All work in or about establishments in which clay construction
products are manufactured, except (i) work in storage and shipping: (ii)
work in offices, laboratories, and storerooms; and (iii) work in the
drying departments of plants manufacturing sewer pipe.
(2) All work in or about establishments in which silica brick or
other silica refractories are manufactured, except work in offices.
(3) Nothing in this section shall be construed as permitting
employment of minors in any occupation prohibited by any other hazardous
occupations order issued by the Secretary of Labor.
(b) Definitions. (1) The term clay construction products shall mean
the following clay products: Brick, hollow structural tile, sewer pipe
and kindred products, refractories, and other clay products such as
architectural terra cotta, glazed structural tile, roofing tile, stove
lining, chimney pipes and tops, wall coping, and drain tile. The term
shall not include the following non-structural-bearing clay products:
Ceramic floor and wall tile, mosaic tile, glazed and enameled tile,
faience, and similar tile, nor shall the term include non-clay
construction products such as sand-lime brick, glass brick, or non-clay
refractories.
(2) The term silica brick or other silica refractories shall mean
refractory products produced from raw materials containing free silica
as their main constituent.
[21 FR 5773, Aug. 2, 1956, as amended at 23 FR 6240, Aug. 14, 1958.
Redesignated at 28 FR 1634, Feb. 21, 1963, and amended at 28 FR 3450,
Apr. 9, 1963. Redesignated and amended at 36 FR 25156, Dec. 29, 1971]
