Mich. Admin. Code R. 336.1365 - Visible emissions from hot metal transfer operations at steel manufacturing facilities
Rule 365.
(1) A person shall not cause or permit to be discharged to the outer air, from a hot metal transfer operation stack, a visible emission with a density of more than 20% opacity.
(2) A person shall not cause or permit to be discharged to the outer air from a building or enclosure containing a hot metal transfer operation, a fugitive visible emission with a density of more than 20% opacity.
(3) Compliance with the limits of this rule shall be determined using reference method 9C.
Notes
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