Section 336.1370. Collected air contaminants.

(1) Collected air contaminants shall be removed as necessary to maintain the equipment at the required operating efficiency. The collection and disposal of air contaminants shall be performed in a manner so as to minimize the introduction of contaminants to the outer air.

(2)   At a minimum, in priority I and II areas listed in tables 33 and 34, the use of 1 or more of the following material handling methods is required for the transport of collected air contaminants:

(a)   Enclosed trucking or transporting vehicles.

(b)   Enclosed, pneumatic, or screw conveying transporting equipment.

(c)   Water or dust suppressant sprays.

(d)   An acceptable method which is equivalent to the methods listed in subdivisions (a), (b), and (c) of this subrule.

History: 1981 AACS.