Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 721 - IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart AA - AIR EMISSION STANDARDS FOR PROCESS VENTS
Section 721.932 - Standards: Process Vents

Universal Citation: 35 IL Admin Code ยง 721.932

Current through Register Vol. 48, No. 38, September 20, 2024

a) The remanufacturer or other person that stores or treats hazardous secondary materials in hazardous secondary material management units with process vents associated with distillation, fractionation, thin-film evaporation, solvent extraction, or air or steam stripping operations managing hazardous secondary material with organic concentrations of at least 10 ppmw must either:

1) Reduce total organic emissions from all affected process vents at the facility below 1.4 kg/h (3 lb/h) and 2.8 Mg/yr (3.1 tons/yr); or

2) Reduce, by use of a control device, total organic emissions from all affected process vents at the facility by 95 weight percent.

b) If the remanufacturer or other person that stores or treats the hazardous secondary material installs a closed-vent system and control device to comply with the provisions of subsection (a) the closed-vent system and control device must meet the requirements of Section 721.933.

c) Determinations of vent emissions and emission reductions or total organic compound concentrations achieved by add-on control devices may be based on engineering calculations or performance tests. If performance tests are used to determine vent emissions, emission reductions, or total organic compound concentrations achieved by add-on control devices, the performance tests must conform with the requirements of Section 721.934(c).

d) When a remanufacturer or other person that stores or treats the hazardous secondary material and the Agency do not agree on determinations of vent emissions or emission reductions or total organic compound concentrations achieved by add-on control devices based on engineering calculations, the procedures in Section 721.934(c) must be used to resolve the disagreement. The Agency must state any disagreement on a determination of vent emissions or emission reductions in writing to the remanufacturer or other person that stores or treats the hazardous secondary material.

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