N.H. Code Admin. R. He-P 4034.22
During each radiographic operation the radiographer, or the other individual present, as required by He-P 4034.15, shall maintain continuous direct visual surveillance of the operation to protect against unauthorized entry into a radiation area or a high radiation area, as defined in He-P 4003.01, except at permanent radiographic installations where all entryways are locked and the requirements of He-P 4034.13 are met.
Source. #6942, eff 2-1-99; ss by #8800, INTERIM, eff 2-1-07, EXPIRED: 7-31-07 New. #8959, eff 8-7-07; ss by #10983, eff 11-24-15; ss by #12626, eff 9-26-18; ss by #12930, eff 11-26-19; ss by #14325, eff 7-19-25, EXPIRES: 7-19-35