23-231. Prohibited employments of persons under
the age of eighteen


A. Unless a variance is granted pursuant to section 23-241, a person shall not
employ or allow a person under the age of eighteen years to work in, about or in
connection with:


1. An establishment manufacturing or storing explosives, except a retail
establishment if the employment does not include any handling of explosives other than
prepackaged small arms ammunition. In this paragraph "small arms ammunition" means
ammunition not exceeding .60 caliber in size, shotgun shells or blasting caps.


2. Occupations as a motor vehicle driver or outside helper, except for driving
incidental to employment if the person has a valid license for operation of the vehicle
and either:


(a) The total driving time does not exceed two hours per day or twenty-five per
cent of the work period per day.


(b) The total mileage driven is fewer than fifty miles per day.


3. Mine or quarry occupations.


4. Logging occupations.


5. Occupations involving the operation, setup, repair, adjustment, oiling or
cleaning of a power-driven woodworking machine.


6. Occupations involving exposure to radioactive substances and to radiation in
excess of 0.5 rem per year.


7. Occupations involving the operation or assistance in the operation of a
power-driven hoist with a capacity exceeding one ton or an elevator, except operation of
an automatic elevator incidental to employment.


8. Occupations involving the operation of a power-driven metal working, forming,
punching or shearing machine.


9. Occupations involving slaughtering, meat packing, processing or rendering of
meat or the operation, setup, repair, adjustment, oiling or cleaning of a power-driven
meat processing machine.


10. Occupations involving the operation of a power-driven bakery machine.


11. Occupations involving the operation of a power-driven paper products machine.


12. Occupations involving the manufacture of clay construction products or silica
refractory products.


13. Occupations involving the operation of a power-driven saw.


14. Occupations involving wrecking, demolition and ship-breaking operations.


15. Occupations involving roofing operations or equipment attached to or placed on
roofs.


16. Occupations in excavation or tunnel operations, except manual excavation,
backfilling or working in trenches or other penetrations of the ground surface that do
not exceed two feet in depth at any point.


B. The industrial commission may by regulation declare other occupations to be
dangerous to lives or limbs or injurious to the health and morals of persons under the
age of eighteen years and prohibit the employment or allowance to work in, about or in
connection with the occupations by such persons unless a variance is granted.