N.H. Admin. Code § Env-A 611.04
#6057-B, eff 6-30-95; ss by #6648, INTERIM, eff 12-5-97, EXPIRES: 4-4-98; ss by #6723, eff 3-28-98; ss by #7879, eff 4-26-03; ss by #9906, INTERIM, eff 4-26-11, EXPIRES: 10-24-11; ss by #10000, eff 10-1-11; ss by #10175, eff 9-1-12