N.H. Code Admin. R. Env-Sw 303.16
Plans, specifications, calculations, operating plans, closure plans, and other documents requiring the practice of engineering as defined in RSA 310-A:2, III shall be sealed by a qualified professional engineer.
Source. #14124, eff 11-23-24, EXPIRES: 11-23-34 (see Revision Note #2 at chapter heading for Env-Sw 300)