N.H. Code Admin. R. Env-Or 402.67
“Triennially” means at least once in each 3-calendar-year period, but not later than 36 months after the prior triennial event.
Source. (See Revision Note #1 at chapter heading for Env-Or 400) #10393, eff 9-1-13; ss by #12643, eff 10-10-18 (formerly Env-Or 402.55) (See Revision Note #2 at chapter heading for Env-Or 400)