Michigan Air Fact Sheet

1. What air regulations does the state of Michigan follow?

• The state of Michigan adheres to all federal emission standards for hazardous air pollutants (HAPs). National emission standards for HAPs, compliance dates and their rules and implementation are found in the following U.S. Environmental Protection Agency link: http://www.epa.gov/ttn/atw/eparules.html. Michigan screen levels are used for air toxic rules and air permitting. http://www.michigan.gov/documents/deq/deq-aqd-toxics-ITSLALPH_244167_7.pdf

2. Which state organization manages air pollution regulations?

• Air Quality Division: The Michigan Department of Natural Resources and Environment http://www.michigan.gov/dnre houses theAir Quality Division http://www.michigan.gov/deq/0,1607,7-135-3310_4195---,00.html. Its goals are to meet and maintain air quality standards, limit emissions of hazardous and toxic pollutants, and inform the public about current air conditions.

3. What are the specific responsibilities of the Air Quality Divison?

• Air Monitoring: This office operates a comprehensive air monitoring network to determine the quality of Michigan's ambient air. http://www.michigan.gov/deq/0,1607,7-135-3310_4195---,00.html
• Air Toxics: evaluate the human health impacts of toxic air pollutants, to provide toxicological expertise for the development and implementation of the Division's air toxic programs, and to develop, coordinate, and implement air toxic programs for the protection of the Great Lakes ecosystem and inland lakes http://www.michigan.gov/deq/0,1607,7-135-3310_4105---,00.html
• Assessment and Planning: This officecovers a wide range of functions related to air quality control, including: State Implementation Plan development; national and state policy development; development of rules and regulations to attain and maintain the National Ambient Air Quality Standards; http://www.michigan.gov/deq/0,1607,7-135-3310_30151---,00.html
•  Compliance: Responsible for executing field and compliance related tasks for the purpose of enforcing requirements of Part 55 of 1994 P.A. 451 and the federal air statutes; http://www.michigan.gov/deq/0,1607,7-135-3310_4106---,00.html
• Emissions: To monitor air emissions by instruments continuously or by analyzing a representative sample. When emissions are voluntarily reduced, it maybe possible for a facility to register Emission Reduction Credits that can be marketed; http://www.michigan.gov/deq/0,1607,7-135-3310_4103---,00.html
• Enforcement : To initiate appropriate enforcement action to bring a facility into compliance with the State and federal air pollution regulations; http://www.michigan.gov/deq/0,1607,7-135-3310_30144---,00.html
• Permits: Air pollution sources are evaluated and investigated for compliance with air standards and permit requirements http://www.michigan.gov/deq/0,1607,7-135-3310_4107---,00.html

4. Where are the rules found?

• Screening levels: The Michigan Department of Natural Resources and Environment - Air Quality Division List of Screening Levels (ITSL, IRSL and SRSL) are found at: http://www.michigan.gov/documents/deq/deq-aqd-toxics-ITSLALPH_244167_7.pdf
• Interim Screening Levels: The Michigan Interim Screening Level (ITSL, IRSL) is used for Air Toxic Rules and air permitting. The list for Interim Screening Levels (10/29/07) can be found at: http://www.michigan.gov/documents/deq/deq-aqd-toxics-interaph_244175_7.pdf
• Air Toxics: Michigan Air Pollution Control Rule pertaining to air toxics are found at: http://www.michigan.gov/documents/deq-aqd-toxics-toxicsrules_117404_7.doc
• Air Toxic Rules: Overview of Michigan's Air Toxic rules: http://www.michigan.gov/deq/0,1607,7-135-3310_4105-11749--,00.html

5. Contact information?

• Michael Depa, Toxicologist
  Michigan Department of Environmental Quality
  Air Quality Division - Toxics Unit
  Constitution Hall 3-NorthPO Box 30260
  Lansing, MI 48909-7760 Phone = 517-335-6988
  Email = depam@michigan.gov

Disclaimer: All information contained in this fact sheet is accurate as of the date specified in the header of this document. ERA accepts no liability for the content of this fact sheet, or for the consequences of any actions taken on the basis of the information provided. To ensure the accuracy of the information provided, please contact the Environmental Protection Agency. For a more recent revision of this document, please contact ERA at (514) 684-6408.

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