35 Ill. Adm. Code 218.688
Testing
Section 218
Section 218.688Â Testing
a)Â Â Â Â Â Â Â Â When in the opinion of the Agency it is necessary to conduct
testing to demonstrate compliance or verify effectiveness with Section 218.686
of this Part, the owner or operator of a VOM emission unit subject to the
requirements of this Subpart shall, at its own expense, conduct such tests in
accordance with the applicable test methods and procedures specified in Section
218.105 of this Part.
b)Â Â Â Â Â Â Â Â Nothing in this Section shall limit the authority of the USEPA
pursuant to the Clean Air Act, as amended, to require testing.