NATTS Network Assessment Reports

This page contains NATTS site reports from EPA’s Third NATTS Network Assessment, which covers air toxics measurements and operations from 2003-2018. Each site report contains information about the site, analytical laboratories supporting the site, summary of measurements, evaluations to NATTS Method Quality Objectives, trends analysis, and equipment inventory data.

• Phoenix, AZ NATTS Network Assessment Review (pdf) (5.4 MB)
• Los Angeles, CA NATTS Network Assessment Review (pdf) (4.91 MB)
• Rubidoux, CA NATTS Network Assessment Review (pdf) (4.91 MB)
• San Jose, CA NATTS Network Assessment Review (pdf) (5.72 MB)
• Grand Junction, CO NATTS Network Assessment Review (pdf) (5.03 MB)
• Washington, D.C. NATTS Network Assessment Review (pdf) (3.18 MB)
• Pinellas County, FL NATTS Network Assessment Review (pdf) (3.09 MB)
• Tampa, FL NATTS Network Assessment Review (pdf) (3.14 MB)
• South DeKalb, GA NATTS Network Assessment Review (pdf) (1.8 MB)
• Chicago, IL NATTS Network Assessment Review (pdf) (3.14 MB)
• Grayson Lake, KY NATTS Network Assessment Review (pdf) (3.12 MB)
• Roxbury, MA NATTS Network Assessment Review (pdf) (3.05 MB)
• Detroit, MI NATTS Network Assessment Review (pdf) (2.41 MB)
• St. Louis, MO NATTS Network Assessment Review (pdf) (2.97 MB)
• Bronx (#1), NY NATTS Network Assessment Review (pdf) (3.14 MB)
• Rochester, NY NATTS Network Assessment Review (pdf) (3.07 MB)
• La Grande, OR NATTS Network Assessment Review (pdf) (3.35 MB)
• Portland, OR NATTS Network Assessment Review (pdf) (2.52 MB)
• Providence, RI NATTS Network Assessment Review (pdf) (2.89 MB)
• Chesterfield, SC NATTS Network Assessment Review (pdf) (1.85 MB)
• Houston, TX NATTS Network Assessment Review (pdf) (2.97 MB)  
• Karnack, TX NATTS Network Assessment Review (pdf) (3.17 MB)
• Bountiful, UT NATTS Network Assessment Review (pdf) (2.45 MB)
• Richmond, VA NATTS Network Assessment Review (pdf) (2.99 MB)
• Underhill, VT NATTS Network Assessment Review (pdf) (3.09 MB)
• Seattle, WA NATTS Network Assessment Review (pdf) (4.64 MB)
• Horicon, WI NATTS Network Assessment Review (pdf) (4.65 MB)