Ash and ash-derived products shall be certified in accordance with Env-Sw 1500 prior to distribution and use in New Hampshire.
N.H. Admin. Code § Env-Sw 902.05
#5172, eff 7-1-91; ss by #6535, INTERIM, eff 7-1-97, EXPIRES: 10-29-97; ss by #6619-B, eff 10-29-97; (See Revision Note at chapter heading for Env-Sw 900) ss by #8459, eff 10-28-05 (formerly Env-Wm 2602.05 )