Minn. R. agency 144, ch. 4620, MINNESOTA CLEAN INDOOR AIR ACT, pt. 4620.0955 - OFFICES, FACTORIES, WAREHOUSES, OR SIMILAR PLACES OF WORK
Subpart 1.
[Repealed, 33 SR 1771]
Subp. 2.
Smoking-permitted area requirements.
A. A smoking-permitted area in an office or a
factory, warehouse, or similar place of work must be designed and operated
according to items B to E. Documentation of items B to E must be made available
to the commissioner upon request.
B. The area must be maintained at a negative
pressure with respect to adjacent or connected nonsmoking areas, as verified by
a professional engineer licensed in the state or an individual certified by the
National Environmental Balancing Bureau or the American Air Balance Council.
The commissioner shall accept documentation of a negative pressure relationship
that has been verified within the previous 12 months, provided changes
affecting the operation of the ventilation system have not been made.
C. Air from a smoking-permitted area must not
be recirculated into a nonsmoking area.
D. Air from the smoking-permitted area must
be exhausted directly to the outdoors.
E. The area must be equipped with one of the
following:
(1) a continuous physical barrier
with closed doors, except to permit necessary ingress and egress, that
separates the smoking-permitted area from adjacent or connected nonsmoking
areas; or
(2) an air distribution
system that is designed and operated to ensure a unidirectional airflow from
adjacent or connected nonsmoking areas into the smoking-permitted area, as
verified by an individual certified by the National Environmental Balancing
Bureau or the Associated Air Balance Council. The commissioner shall accept
documentation of unidirectional airflow that has been verified within the
previous 12 months, provided changes affecting the operation of the ventilation
system have not been made.
Subp. 3.
Effective date.
This part is effective September 23, 2003.
Notes
Statutory Authority: MS s 144.417
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