Standards for equipment used to manufacture ammonium perchlorate.

1. Equipment for blending which is used in the manufacture of ammonium perchlorate must be of a construction suitable for the hazards of the materials with which it is used. 2. Any motorized equipment used to drive a blender, mixer, press, screener or other equipment used to handle ammonium perchlorate in any process must have an enclosure for the motor which keeps the motor free from dust. 3. Any new or newly repaired equipment used in an operation must be cleaned, examined and tested before being placed into routine operation.