Section 144-220-E-D-22 - PostingA. All areas in which industrial radiography is being performed must be conspicuously posted as required by D.28. Exceptions listed in D.29 do not apply to industrial radiographic operations.B. Whenever practicable, ropes and/or barriers shall be used in addition to appropriate signs to designate areas in accordance with Part D.28 and to help prevent unauthorized entry.C. During pipeline industrial radiographic operations, sufficient radiation signs and other barriers shall be posted to prevent unmonitored individuals from entering the area in accordance with Part D.28.D. In lieu of the requirements of E.22.A, a restricted area may be established in accordance with Part D and be posted in accordance with E.22.A, for example, both signs may be posted at the same location at the boundary of the restricted area.10-144 C.M.R. ch. 220, § E-D-22