SUBTITLE B: AIR POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER c: EMISSION STANDARDS AND LIMITATIONS FOR STATIONARY SOURCES
PART 212 VISIBLE AND PARTICULATE MATTER EMISSIONS
SECTION 212.456 CERTAIN SMALL FOUNDRIES
Section 212.456 Certain Small Foundries
Sections 212.321 and 212.322 of this Part shall not apply to foundry cupolas if all the following conditions are met:
a) The cupola was in existence prior to April 15, 1967;
b) The cupola process weight rate is less than or equal to 20,000 lbs/hr;
c) The cupola as of April 14, 1972, either:
1) Is in compliance with the following allowable emissions from small foundries covered by this Section:
|
Process Weight Rate |
Allowable Emission Rate |
|
lbs/hr |
lbs/hr |
|
1,000 |
3.05 |
|
2,000 |
4.70 |
|
3,000 |
6.35 |
|
4,000 |
8.00 |
|
5,000 |
9.58 |
|
6,000 |
11.30 |
|
7,000 |
12.90 |
|
8,000 |
14.30 |
|
9,000 |
15.50 |
|
10,000 |
16.65 |
|
12,000 |
18.70 |
|
16,000 |
21.60 |
|
18,000 |
23.40 |
|
20,000 |
25.10 |
(Board Note: For process weight rates not listed, straight line interpolation between two consecutive process weight rates shall be used to determine allowable emission rates.); or
2) Is in compliance with the terms and conditions of a variance granted by the Pollution Control Board (Board); and construction has commenced on equipment or modifications sufficient to achieve compliance with subsection (c)(1) of this Section.
(Source: Amended at 20 Ill. Reg. 7605, effective May 22, 1996)