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January 21, 1998

Ronald Kooistra
Air Quality Division
Michigan Department of Environmental Quality
PO Box 30260
Lansing, Michigan 48909-7760

Dear Mr. Kooistra:

Thank you for submitting a request to waive the new PM10 monitoring requirement of 1 in 3 day to 1 in 6 day sampling. All the work that your staff has done in preparing the waiver request is greatly appreciated. After comparing the regional office’s results with those of your staff, you are approved to continue sampling once every sixth day at the following sites:

26-025-0003 Albion
26-049-0021 Flint
26-081-0007 Grand Rapids (Wealthy St.)
26-081-0020 Grand Rapids (Monroe St.) (Co-located 24-hour monitor)
26-115-0023 Monroe (This site may be shut down)
26-139-0008 Mountain Beach (W. Olive) (This is an SPM)
26-163-0001 Allen Park
26-163-0005 River Rouge
26-163-0015 Detroit (Fort St.)
26-163-0025 Livonia
26-163-0092 Detroit (NCS) sampling.

We appreciate your rapid response and hope to continue working closely with you to successfully implement the new fine particulate network. If you have any questions, please contact Michael Rizzo, of my staff, at (312) 353-6324.

Sincerely yours,


Stephen Rothblatt, Chief
Air Programs Branch

cc: Maryann Heindorf, Michigan Department of
Environmental Quality

Tom Monosmith, Michigan Department of
Environmental Quality

For further information, contact:
This Information Last Modified On: 09/18/2008 03:58 PM