N.H. Code Admin. R. Env-Or 702.05
“Contamination” means the presence of any regulated contaminant, as defined herein, other than naturally-occurring substances at naturally-occurring or background levels, in soil, groundwater, soil gas, air, sediment, surface water, construction or excavation debris, or any other material.
Source. #8812, eff 2-1-07; ss by #10832, eff 6-1-15; ss by #14420, eff 11-4-25, EXPIRES: 11-4-35