Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Emergency

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History
    • Staff Directory

Breadcrumb

  1. Home
  2. Ambient Monitoring Technology Information Center (AMTIC)

National PM2.5 Performance Evaluation Program

This page contains information on the National PM2.5 Performance Evaluation Program (PEP).  

  • Quality Assurance Project Plan for the Federal PM2.5 Performance Evaluation Program (pdf) (3.2 MB, May 2022)
  • Field Standard Operating Procedures for the PM2.5 Performance Evaluation Program (pdf) (6.66 MB, March 2023)
  • Review of the Potential to Reduce or Provide a More Cost Efficient Means to Implement the PM2.5 Performance Evaluation Program [basis for the 5 & 8 audit frequency](DRAFT) (pdf) (95.24 KB, December, 2005)
  • Mesa Lab's BGI PQ200 Air Sampler User Manual
    • This is the sampler used by the EPA and Self-implementing State Local or Tribal monitoring agencies for PM2.5 and PM-10 PEP measurements.  This link will enable viewers to retrieve the latest edition directly from MESA Lab’s internet business

Ambient Monitoring Technology Information Center (AMTIC)

  • Basic Information
  • Ambient Air Monitoring Networks
  • Training and Conferences
  • Air Monitoring Methods
  • Quality Assurance
  • Regulations, Guidance and Monitoring Plans
  • Program Review and Oversight
  • Networks, Partners and Programs
  • Related Links
  • Ambient Air Monitoring Listserv
Contact Us about Ambient Monitoring Technology Information Center (AMTIC)
Contact Us about Ambient Monitoring Technology Information Center (AMTIC) to ask a question, provide feedback, or report a problem.
Last updated on April 1, 2024
  • Assistance
  • Ayuda
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • Aide
  • Asistans
  • Korean
  • Assistência
  • Russian
  • Tulong
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.