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Contact Information

Northern Research Station
11 Campus Blvd., Suite 200
Newtown Square, PA 19073
(610) 557-4017
(610) 557-4132 TTY/TDD

Providing Clean Air and Water

Critical Loads Publications & Products

The following documents, which contain critical loads background and calculation information, can be downloaded as PDFs.

Critical Load Calculation Methods

Critical Loads Calculations in Forest Service Class 1 Areas

Critical Loads Data Management

Critical Loads in the United States

Critical Loads Demonstration Plots

Additional Related Products

Many of our documents are in pdf format and require specialized software to view or print them. You may download free Adobe Reader software from http://www.adobe.com/products/acrobat/readstep2.html.

Last Modified: 03/12/2013