N.H. Admin. Code § Env-A 607.03
#1375, eff 7-1-79; ss by #1717, eff 2-19-81; ss by #2332, eff 4-29-83; ss by #2938, eff 12-27-84; ss by #5033, eff 12-27-90; ss by #6057-B, eff 6-30-95; amd by #6342-B, eff 9-28-96; amd by #6780, eff 6-27-98, EXPIRES: 10-25-98; amd by #6813, eff 7-23-98; ss by #7879, eff 4-26-03; ss by 8654, eff 6-8-06; ss by #9791, eff 10-1-10; ss by #10000, eff 10-1-11; ss by #10175, eff 9-1-12