N.H. Admin. Code § Env-A 502.01
#721.19, 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, EXPIRED: 12-27-96
New. #7672, eff 4-5-02; amd by #7840, eff 3-1-03; amd by #8041, eff 2-14-04; amd by #8277, eff 1-28-05; amd by #8535, eff 12-31-05; amd by #8876, eff 4-27-07; amd by #9489, eff 6-23-09; ss by #9643, eff 1-23-10; ss by #9864, eff 2-10-11; amd by #10076, eff 1-25-12; amd by #10254, eff 1-23-13