[Title 40 CFR 60.191]
[Code of Federal Regulations (annual edition) - July 1, 2009 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter I - ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)]
[Subchapter C - AIR PROGRAMS (CONTINUED)]
[Part 60 - STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--]
[Subpart S - Standards of Performance for Primary Aluminum Reduction Plants]
[Sec. 60.191 - Definitions.]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT62009-07-012009-07-01false60.191Sec. 60.191PROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCY (CONTINUED)AIR PROGRAMS (CONTINUED)STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--Standards of Performance for Primary Aluminum Reduction Plants
Sec. 60.191  Definitions.

    As used in this subpart, all terms not defined herein shall have the 
meaning given them in the Act and in subpart A of this part.
    Aluminum equivalent means an amount of aluminum which can be 
produced from a Mg of anodes produced by an anode bake plant as 
determined by Sec. 60.195(g).
    Anode bake plant means a facility which produces carbon anodes for 
use in a primary aluminum reduction plant.
    Potroom means a building unit which houses a group of electrolytic 
cells in which aluminum is produced.
    Potroom group means an uncontrolled potroom, a potroom which is 
controlled individually, or a group of potrooms or potroom segments 
ducted to a common control system.
    Primary aluminum reduction plant means any facility manufacturing 
aluminum by electrolytic reduction.
    Primary control system means an air pollution control system 
designed to remove gaseous and particulate flourides from exhaust gases 
which are captured at the cell.
    Roof monitor means that portion of the roof of a potroom where gases 
not captured at the cell exit from the potroom.
    Total fluorides means elemental fluorine and all fluoride compounds 
as measured by reference methods specified in Sec. 60.195 or by 
equivalent or alternative methods (see Sec. 60.8(b)).