The department shall act on any variance or exemption request submitted to it within 90 days of receipt of the request.
N.H. Admin. Code § Env-Ws 341.03
(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; ss by #8360, INTERIM, eff 6-4-05, EXPIRES: 12 -1-05 ; ss by #8497, eff 11-30-05