September 7, 2000IN THE MATTER OF: ) )DIESEL OPACITY RULES; ) R01-8AMENDMENTS TO ) (Rulemaking – Air)35 ILL.
Adm.
Code 240.
The General Assembly specifically requires the Board to amend its smoke opacity standards to be consistent with guidance of the United States Environmental Protection Agency (USEPA), with one exception.
July 1, 2000.
The law requires the Board to amend its existing diesel smoke opacity rules of 35 Ill. BACKGROUND
Existing Standards On April 7, 1992, the Board adopted new HDDV smoke opacity standards and test procedures to replace regulations that applied only to pre-1970 diesel engines. The peak...
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