New York Labor Law Section 300 - Size of rooms; air space per person.

  300.  Size  of  rooms;  air  space per person. No greater number of
  persons shall be employed in any room of a factory between  six  o'clock
  in  the  morning  and  six  o'clock  in the evening than will allow each
  person so employed two hundred and fifty cubic feet of  air  space  nor,
  unless  by  written  permit  of  the  commissioner, than will allow four
  hundred cubic feet of air space for each  person  employed  between  six
  o'clock  in the evening and six o'clock in the morning. Such rooms shall
  be lighted by electricity whenever persons are employed therein  between
  six o'clock in the evening and six o'clock in the morning.

Last modified: February 3, 2019