40 CFR §420.11
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)For the cokemaking subcategory, the term product means the production of coke plus coke breeze.
- (b)The term by-product cokemaking means operations in which coal is heated in the absence of air to produce metallurgical coke (furnace coke and foundry coke), and the recovery of by-products derived from the gases and liquids that are driven from the coal during cokemaking.
- (c)The term cokemaking—non-recovery means cokemaking operations for production of metallurgical coke (furnace coke and foundry coke) without recovery of by-products. Does not include co-generation facilities located at non-recovery coke facilities.
- (d)The term coke means a processed form of coal that serves as the basic fuel for the smelting of iron ore.
- (e)The term merchant coke plant means by-product cokemaking operations that provide more than fifty percent of the coke produced to operations, industries, or processes other than ironmaking blast furnaces associated with steel production.
- (f)The term iron and steel coke plant means by-product cokemaking operations other than those at merchant coke plants.
- (g)The term coke oven gas wet desulfurization system means those systems that remove sulfur and sulfur compounds from coke oven gas and generate process wastewater.
- (h)The term coke breeze means fine coke particles.
- (i)The term indirect ammonia recovery system means those systems that recover ammonium hydroxide as a by-product from coke oven gases and waste ammonia liquors.
- (j)The term iron and steel means those by-product cokemaking operations other than merchant cokemaking operations.
- (k)The term merchant means those by-product cokemaking operations that provide more than fifty percent of the coke produced to operations, industries, or processes other than ironmaking blast furnaces associated with steel production.
- (l)The term O&G (as HEM) means total recoverable oil and grease measured as n-hexane extractable material.
- (m)The term wet desulfurization system means those systems that remove sulfur compounds from coke oven gases and produce a contaminated process wastewater.