---
kind: "section"
citation: "40 C.F.R. § 420.11"
title: "40"
number: "420.11"
heading: "Specialized definitions."
url: "https://uscodex.org/cfr/40/420.11"
---

# §420.11. Specialized definitions.

- (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 <I>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.
  - (1) The term foundry coke means coke produced for foundry operations.
  - (2) The term furnace coke means coke produced for blast furnace operations
- (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.

## Notes

### Amendments

[67 FR 64261, Oct. 17, 2002]

### Authority

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361.

### Source

Source: 47 FR 23284, May 27, 1982, unless otherwise noted.

### Amendments

[67 FR 64261, Oct. 17, 2002]