Section 307.3109  Metallurgical Acid Plants

a)         Applicability.  This Section applies to discharges resulting from or associated with the manufacture of by-product sulfuric acid at primary smelters, primary copper smelters, primary zinc facilities, primary lead facilities, or primary molybdenum facilities, including associated air pollution control or gas-conditioning systems for sulfur dioxide off-gases from pyrometallurgical operations.

b)         Specialized Definitions.  The Board incorporates by reference 40 CFR 421.91 (2003).  This incorporation includes no later amendments or editions.

c)         Existing Sources

1)         The Board incorporates by reference 40 CFR 421.95 (2003).  This incorporation includes no later amendments or editions.

2)         No person subject to the pretreatment standards incorporated by reference in subsection (c)(1) may cause, threaten, or allow the discharge of any contaminant to a POTW in violation of those standards.

d)         New Sources

1)         The Board incorporates by reference 40 CFR 421.96 (2003).  This incorporation includes no later amendments or editions.

2)         No person subject to the pretreatment standards incorporated by reference in subsection (d)(1) may cause, threaten, or allow the discharge of any contaminant to a POTW in violation of those standards.

3)         "New source" means any building, structure, facility, or installation whose construction commenced after February 17, 1983.

(Source:  Amended at 47 Ill. Reg. 4662, effective March 23, 2023)