Revision History for Fact Sheet 2021–3029

By Johanna M. Blake, Shaleene B. Chavarria, and Anne-Marie Matherne

Tracking the Source of Metals to the San Juan River
-----------------------------------------------------
Posted online June 3, 2021
-----------------------------------------------------
Revised and reposted July 1, 2021, version 1.1

Changes were made to the table titled "Constituents of concern in the San Juan River" on the second page of the fact sheet:
A note was added to indicate that two of the standards for arsenic were for dissolved (filtered) concentrations. 

One of the websites listed for additional information was changed from https://www.navajonationepa.org/ to https://www.navajoepa.org.