"Earth moving" means filling, grading, dredging, mining, excavation, construction, removal of topsoil, removal of stumps, stockpiling of earth material, or any other activity that results in a change to the preexisting ground conditions or contours, or both.
N.H. Admin. Code § Env-Wq 1502.19
(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09