[Code of Federal Regulations]

[Title 40, Volume 28]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR420.21]



[Page 398]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 420_IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of 

Contents

 

                     Subpart B_Sintering Subcategory

 

Sec.  420.21  Specialized definitions.



    As used in this subpart:

    (a) For the sintering subcategory, the term product means sinter 

agglomerated from iron-bearing materials.

    (b) The term dry air pollution control system means an emission 

control system that utilizes filters to remove iron-bearing particles 

(fines) from blast furnace or sintering off-gases.

    (c) The term minimum level (ML) means the level at which the 

analytical system gives recognizable signals and an acceptable 

calibration point. For 2,3,7,8-tetrachlorodibenzofuran, the minimum 

level is 10 pg/L per EPA Method 1613B for water and wastewater samples.

    (d) The term pg/L means picograms per liter (ppt = 1.0x10-12 gm/L).

    (e) The term sintering means a process for agglomerating iron-

bearing materials into small pellets (sinter) that can be charged to a 

blast furnace.

    (f) The term wet air pollution control system means an emission 

control system that utilizes water to clean process or furnace off-

gases.



[67 FR 64264, Oct. 17, 2002]