N.H. Admin. Code § Env-Hw 509.02
#5053, eff 1-24-91; ss by #5886, eff 8-26-94; amd by #7207-B, eff 2-26-00; ss by #7333, eff 8-1-00; ss by #9215, INTERIM, eff 8-1-08; (See Revision Note at chapter heading for Env-Hw 500) ss by #9367, eff 1-28-09; amd by #10494, eff 1-1-14