Section 307.2711  Sulfur Trioxide Solvent and Vacuum Sulfonation

a)         Applicability.  This Section applies to discharges resulting from the operations in which undiluted sulfur trioxide and organic reactant are fed through a mixing nozzle into a vacuum reactor where the sulfonation of the organic reactant takes place.

b)         Specialized Definitions.  The Board incorporates by reference 40 CFR 417.111 (2003).  This incorporation includes no later amendments or editions.

c)         Existing Sources

1)         The Board incorporates by reference 40 CFR 417.114 (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 417.116 (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 December 26, 1973.

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