The Bulk Asbestos Proficiency Analytical Testing Program (BAPAT) is an important external quality assurance program for laboratories analyzing bulk building materials by polarized light microscopy (PLM).

The Beryllium Proficiency Analytical Testing (BePAT) Program is an external quality assurance program for laboratories analyzing beryllium on filter media. The program is designed to assist laboratories in evaluating analytical performance. Participation is open to all laboratories*.

*Any foreign entity must meet U. S. Fed​eral export requirements.

The Environmental Lead Proficiency Analytical Testing (ELPAT) Program is designed to help your organization assess and/or improve its analytical performance by providing your organization with test samples on a quarterly basis and evaluating the results.​​​​​​​​​​​​​

The Environmental Microbiology Proficiency Analytical Testing (EMPAT) Program is a performance evaluation program for environmental microbiology laboratories.

The Industrial Hygiene Proficiency Analytical Testing (IHPAT) Program is designed to help your laboratory improve its analytical performance by providing samples on a quarterly basis, evaluating the results, and providing a performance report. Analytes include Asbestos, Metals, Organic Solvents, and Silica.