Section 307.3403  Slag Processing

a)         Applicability.  This Section applies to discharges resulting from slag processing in which either of the following occurs:

1)         The residual metal values in the furnace slag are recovered via concentration for return to the furnace; or

2)         The slag is "shotted" for further use.

b)         Specialized Definitions.  The Board incorporates by reference 40 CFR 424.31 (2003).  This incorporation includes no later amendments or editions.

c)         Existing Sources.  These sources must comply with the general and specific pretreatment requirements of Subpart B.

d)         New Sources

1)         The Board incorporates by reference 40 CFR 424.36 (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 October 18, 1973.

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