(a) All electric motors, and electrically operated proportioning devices shall be electrically bonded.
(b) All electric motors and electrically operated proportioning devices used for dry ingredients shall be in accordance with the provisions of Article E 430, Part 3, Title 24, California Administrative Code.
(c) The entire loading and mixing equipment shall be cleaned periodically to insure against accumulations of ingredients.
Mixing equipment for on-site (field operated) mixed water gels shall comply with the requirements of this section.