35 Ill. Adm. Code 307.3500
General Provisions
Section 307
Section 307.3500Â General
Provisions
a)        Applicability. This Subpart Z applies to any leather tanning
and finishing facility that introduces or may introduce process wastewater
pollutants into a POTW.
b)        General definitions. The Board incorporates by reference 40
CFR 425.02 (2003). This incorporation includes no later amendments or
editions.
c)        Sulfide analytical method. The Board incorporates by
reference 40 CFR 425.03 (2003). This incorporation includes no later
amendments or editions.
d)        Applicability of sulfide standards. The Board incorporates by
reference 40 CFR 425.04 (2003). This incorporation includes no later amendments
or editions.
e)        Compliance dates. The Board incorporates by reference 40 CFR
425.05 (2003) . This incorporation includes no later amendments or editions.
f)        Monitoring requirements. The Board incorporates by reference
40 CFR 425.06 (2003). This incorporation includes no later amendments or
editions.