N.H. Admin. Code § He-W 672.02
(See Revision Note #1 at Chapter Heading He-W 600) #5171, eff 6-26-91; amd by #5749, INTERIM, eff 12-1-93, EXPIRED: 3-31-94; amd by #5806, eff 3-30-94; amd by #6195, eff 2-24-96; ss by #6531, INTERIM, eff 6-27-97, EXPIRED: 10-25-97; ss by #6614, eff 10-24-97; ss by #8452, eff 10-22-05; ss by #10511, eff 1-24-14