N.H. Admin. Code § Lab 510.02
#2264, eff 1-6-83; ss by #2935, eff 12-27-84, EXPIRED: 12-27-90
New. #5235, eff 9-27-91, EXPIRED: 9-27-97
New. #6631, INTERIM, eff 11-16-97, EXPIRED: 3-16-98
New. #6806, eff 7-18-98 (formerly Lab 509.02 ); ss by #7585, eff 10-30-01