Previous PreviousNext Next

EPA Home > Region 5 > Air > Correspondence


January 21, 1998

Gary Eckhardt
Supervisor, Data Management Unit
Program Development and Air Analysis Unit
Air Quality Division
Minnesota Pollution Control Agency
520 Lafayette Road North
St. Paul, Minnesota 55155-4194

Dear Mr. Eckhardt:

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:

270532006-1 Hennepin Co. Minneapolis
271630009-1 Washington Co. St. Paul
271231003-1 Ramsey Co. St. Paul
271230021-1 Ramsey Co. St. Paul
271230040-1 Ramsey Co. St. Paul
270531007-1 Hennepin Co. Minneapolis
270533004-1 Hennepin Co. Richfield
270530051-1 Hennepin Co. Minneapolis
270530053-1 Hennepin Co. Minneapolis
271377001-1 St. Louis Co. Virginia
271090015-1 Olmsted Co. Rochester
270170013-1 Carlton Co. Cloquet
271370027-1 St. Louis Co. Duluth
271370032-1 St. Louis Co. Duluth
271370032-2 St. Louis Co. Duluth
270752001-1 Lake Co.
270752002-1 Lake Co.
270752003-1 Lake Co.
271230866-1 Ramsey Co. St. Paul
271230867-1 Ramsey Co. St. Paul
271230866-2 Ramsey Co. St. Paul
270530956-1 Hennepin Co. Minneapolis

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: Rick Strassman, Minnesota Pollution Control Agency

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