Chemical weapon— together or separately, refers to
(a) a toxic chemical and its precursors, except when intended for a purpose not prohibited under the Chemical Weapons Convention;
(b) a munition or device, specifically designed to cause death or other harm through toxic properties of those chemicals specified in (a), above, which would be released as a result of the employment of such munition or device;
(c) any equipment specifically designed for use directly in connection with the employment of munitions or devices specified in (b), above.