N.H. Admin. Code § Env-A 609.09
#6057-B, eff 6-30-95; 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 #9906, INTERIM, eff 4-26-11, EXPIRES: 10-24-11; ss by #10000, eff 10-1-11; ss by #10175, eff 9-1-12