The Bulk Asbestos Proficiency Analytical Testing Program​ serves as an external quality assurance program for laboratories analyzing bulk building materials by polarized light microscopy (PLM). The program is both qualitative and semiquantitative in nature.

The Beryllium Proficiency Analytical Testing (BePAT) Program serves as 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 was developed for microbiology laboratories specializing in analysis for microorganisms commonly detected in air, fluids and bulk samples collected from schools, offices, hos​pitals, industrial, agricultural, and other work environments.

The Industrial Hygiene Proficiency Analytical Testing (IHPAT) Program​ is designed to assist a laboratory improve its analytical performance by providing samples on a quarterly basis, evaluating the results, and providing a report on how well the laboratory performed. In the same way, the IHPAT Program also tests the analytical competence of participating occupational health laboratories.