N. C. Regulations for Protection Against Radiation

15A NCAC 11 .0114          TESTS FOR SPECIAL FORM

Special form radioactive material as defined in Rule .0104 of this Section must satisfactorily pass the following tests:

(1)           a free drop through a distance of 30 feet onto a flat essentially unyielding horizontal surface, striking the surface in such a position as to suffer maximum damage;

(2)           impact of the flat circular end of a one‑inch diameter steel rod weighing three pounds, dropped through a distance on a sheet of lead, of hardness number 3.5 to 4.5 on the Vickers scale, and not more than one inch thick supported by a smooth essentially unyielding surface;

(3)           heating in air to a temperature of 1,475° F. and remaining at that temperature for a period of ten minutes;

(4)           immersion for 24 hours in water at room temperature at pH 6 to pH 8, with a maximum conductivity of ten micromhos per centimeter.

History Note:        Authority G.S. 104E‑15;

Eff. February 1, 1980;

Amended Eff. November 1, 1989;

Transferred and Recodified from 10 NCAC 3G .2215 Eff. January 4, 1990;

Amended Eff. May 1, 1993.

NC Radiation Protection, 1645 Mail Service Center,
Raleigh, NC  27699-1645  919-571-4141  Fax  919-571-4148