N.H. Code Admin. R. Env-Or 503.03
The owner or operator of a gasoline storage tank having a capacity equal to or greater than 250 gallons shall:
Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Or 500) #10229, eff 11-17-12; ss by #13458, eff 10-7-23