Minnesota Administrative Rules
4626.1530 CLEANING VENTILATION SYSTEMS; NUISANCE AND DISCHARGE PROHIBITION. 6-501.14
§
A.
Intake and exhaust air ducts must be cleaned and filters changed so they are not a source of contamination by dust, dirt, and other materials.
§
B.
If vented to the outside, ventilation systems must not create a public health hazard or nuisance or unlawful discharge.
History:
23 SR 519; 43 SR 295
Published Electronically:
January 2, 2019
Official Publication of the State of Minnesota
Revisor of Statutes