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EPA Home > Region 5 > Air > Correspondence


December 16, 1999

Bharat Mathur, Director
Bureau of Air
Illinois Environmental Protection Agency
P.O. Box 19276
Springfield, Illinois 62794-9276

Dear Mr. Mathur:

I would like to express my appreciation for all of the hard

work and effort that you and your staff have contributed toward

successfully implementing the PM2.5 monitoring network in

Illinois. Your staff and the staff of the Cook County Department

of Environmental Control, in spite of the numerous problems with

the monitoring equipment, have demonstrated their overwhelming

expertise which has resulted in Illinois having the highest PM2.5

data completeness for a network of its size.

If there is anything that my staff and I can do to continue

to aid your efforts in the future, please do not hesitate to ask.

Sincerely yours,


Margaret M. Guerriero, Acting Director
Air and Radiation Division

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This Information Last Modified On: 09/18/2008 04:03 PM