Data and Information Use Conditions


Any opinions, findings, conclusions, or recommendations expressed on this website do not necessarily reflect the views of the U.S. Department of Agriculture or other sponsors.


Data and information presented on this website ( are in the public domain, unless otherwise indicated. Some images and graphics on this website have been created by other organizations and are used by the NADP with permission. Under copyright law, if you want to use images or graphics used by the NADP with permission, you first need to obtain the permission of the copyright holder.

External Links

Some documents on this website contain live references (or pointers) to information created and maintained by other organizations. The NADP does not guarantee the relevance, timeliness, or accuracy of these outside materials.

Use Condition and Citation

We recommend that NADP data be acquired directly from the NADP and not from other sources that may alter the data in some way or may not include the latest updates and corrections.

We encourage the use and publication of NADP data in scientific, policy-related, or educational activities. Any published use of NADP data or information must acknowledge the NADP as the source. A suggested citation is:

National Atmospheric Deposition Program (NRSP-3). 2022. NADP Program Office, Wisconsin State Laboratory of Hygiene, 465 Henry Mall, Madison, WI 53706.

We request one copy of any printed publication using NADP data be sent to the NADP Program Office at the address below. Citations or electronic copies are acceptable. For on-line uses, we request that the author notify the Program Office of the URL address of the online publication or website that includes NADP data. We encourage teachers and professors to send the Program Office a brief description of how they have used NADP data in their curriculum. Students who use NADP data to complete academic assignments are not required to seek permission from the Program Office, but must acknowledge the NADP in any publication (e.g., a thesis).

NADP Program Office
Wisconsin State Laboratory of Hygiene
465 Henry Mall
Madison, WI 53706