35 Ill. Adm. Code 218.141
Separation Operations
Section 218
Section 218.141 Separation
Operations
a) No person shall use any single or multiple compartment
effluent water separator which receives effluent water containing 757 1/day
(200 gal/day) or more of organic material from any equipment processing,
refining, treating, storing or handling organic material unless such effluent
water separator is equipped with air pollution control equipment capable of
reducing by 85 percent or more the uncontrolled organic material emitted to the
atmosphere. Exception: If no odor nuisance exists the limitations of this
subsection shall not apply if the vapor pressure of the organic material is
below 17.24 kPa (2.5 psia) at 294.3° K (70° F).
b) Subsection (a) of this Section shall not apply to water and
crude oil separation in the production of Illinois crude oil, if the vapor
pressure of such crude oil is less than 34.5 kPa (5 psia).