N.H. Admin. Code § Lab 508.01
(See Revision Note at part heading for Lab 508) #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 507.01 ); ss by #8682, INTERIM, eff 7-15-06, EXPIRED: 1-11-07'
New. #9019, eff 11-1-07