Section 307.4003  Unbleached Kraft

a)         Applicability.  This Section applies to discharges resulting from:  the production of pulp and paper at unbleached kraft mills; the production of pulp and paper at unbleached kraft-neutral sulfite semi-chemical (cross recovery) mills; and the production of pulp and paper at combined unbleached kraft and semi-chemical mills, whose spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system.

b)         Specialized Definitions.  The Board incorporates by reference 40 CFR 430.31 (2003).  This incorporation includes no later amendments or editions.

c)         Existing Sources

1)         The Board incorporates by reference 40 CFR 430.36 (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 430.37 (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 January 6, 1981.

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