R 336.1358 Roof monitor visible emissions at steel manufacturing facilities from electric arc furnaces and blast furnaces.

Rule 358. (1) A person shall not cause or permit to be discharged to the outer air, at a steel manufacturing facility, from a roof monitor source of emission of an electric arc furnace, or a blast furnace, a visible emission with a density of more than 20% opacity. (2) Compliance with the limit of this rule shall be determined using reference test method 9 as described in R 336.2004(1)(l). Editor's Note: Pursuant to section 56 of Act No. 306 of the Public Acts of 1969, as amended, being S24.256 of the Michigan Compiled Laws, this rule is being published to correct an obvious error. R 336.1358(2) now reads:"(2) Compliance with the limit of this rule shall be determined using reference test method 9 described in R 336.2004(1)(l)."