Air Toxics Rule Revisions Took Effect July 1, 2004

The official version of the NR 445, NR 406, NR 407 and NR 438 revisions are available from the revisor of statutes web page (exit DNR). (Note: the rule revision also made changes to NR Chapters 400, 410, 419, 422, 423, 439, 446, 447, 448, 449, 468, 484). If you would like a general overview of the Air Program Rule pages, with links to rules as well as contact information for responsible individuals for each of the NR 400 (Air Rules) rules, click here.

Additional information:

• Reporting of Air Emissions [Effective at date of publication]-In calendar year 2004, there are new chemicals and new reporting thresholds that companies will need to consider for reporting their calendar year 2004 emissions in 2005. Read additional information.



• Revised NR 445 list of chemicals. About 100 new chemicals were added to the NR 445 Air Toxics list. More..



• Compliance Dates [Phase in period over three years]. Existing sources have up to 36 months from the effective date of the rule to company with any new requirements and standards. New or modified sources will be required to comply with the rules upon startup.



• Compliance [Phase in period over three years].. The rules include new options regarding modeling and a safe harbor and due diligence provisions. More...



• Permits [May not apply or phase in period over three years]. Many permits will not be affected by rule change. More..

NR 445 Technical Advisory Group final adoption of NR 445 revisions

|| NR 445 TAG || NR 445 Revision || Air Toxics ||