The employer shall ensure that wall openings, from which there is a drop of more than 6 feet and the bottom of the opening is less than 3 feet above the working surface, be guarded.
N.H. Admin. Code § Lab 1403.65
#4118 eff 8-22-86, EXPIRED: 8-22-92
New. #6684, eff 2-4-98, EXPIRED: 2-4-06
New. #8606, INTERIM, eff 4-12-06, EXPIRED: 10-09-06 (formerly Lab 1403.81)
New. #8796, eff 1-11-07 (formerly Lab 1403.68)