N.H. Code Admin. R. Env-A 105.18
“State requirement” means a requirement that is not federally-enforceable and is established in:
Source. #6057-A, eff 6-30-95; renumbered by #8256 (from Env-A 101.263), (see Revision Note #1 at chapter heading); renumbered by #8304 (see Revision Note #2 at chapter heading); renumbered by #9839 (from Env-A 101.184), (see Revision Note #3 at chapter heading); ss by #13105, eff 9-25-20 (formerly Env-A 101.186) (see Revision Note #4 at chapter heading for Env-A 100)