N.H. Admin. Code § Env-Hw 604.04
#5053, eff 1-24-91; ss by #5886, eff 8-26-94; ss by #7333, eff 8-1-00; ss by #8714, INTERIM, eff 9-5-06, EXPIRES: 3-4-07; ss by #8790, eff 1-5-07; ss by #9215, INTERIM, eff 8-1-08; (See Revision Note at chapter heading for Env-Hw 600) ss by #9367, eff 1-28-09