Single shot mortars up to 8 inches in diameter shall be buried to 3/4 its length in sand filled boxes or steel 55 gallon drums, and single shot mortars greater than 8 inches in diameter and up to 12 inches in diameter shall be buried to 3/4 its length in separate sand filled boxes or steel 55 gallon drums in accordance with Saf-C 5020.02.
N.H. Admin. Code § Saf-C 5020.04
(See Revision Note at Chapter heading for Saf-C 5000) #6055, eff 7-1-95, EXPIRED: 7-1-03
New. #8117, INTERIM, eff 7-14-04, EXPIRED: 1-10-05
New. #8261, eff 1-21-05; ss by #9765-A, eff 8-2-10