N.H. Code Admin. R. Saf-C 5203.02
The responsible party shall be the person or persons who causes an actual or threatened release of a hazardous material or hazardous waste, or who had custody or control of the hazardous material or hazardous waste, or both at the time of the actual or threatened release.
Source. #7511, eff 6-23-01, EXPIRED: 6-23-09 New. #12614-A, eff 8-23-18