For purposes of this chapter, the following definition shall apply:
N.H. Admin. Code § Env-A 901.03
#120, eff 8-31-73; ss by #721.18, eff 12-7-75; ss by #719, eff 12-7-75; ss by #1717, eff 2-19-81; ss by #2332, eff 4-29-83; ss by #2938, eff 12-27-84; ss by #5033, eff 12-27-90; ss by #5505, eff 11-15-92; ss by #6519-B, eff 5-29-97; rpld by #6983-B, eff 4-23-99