Mich. Admin. Code R. 336.1361 - Visible emissions from blast furnace casthouse operations at steel manufacturing facilities
Rule 361.
(1) A person shall not cause or permit to be discharged to the outer air from a blast furnace stack a visible emission with a density of more than 10% opacity.
(2) Compliance with the limit of this rule shall be determined using reference method 9 as described in R 336.2004(1)(l).
Notes
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