AAT 128 Results Worksheet

Download the Results Worksheet
The Asbestos Analysts Testing (AAT) program is the proficiency testing program for the Asbestos Analysts Registry (AAR). Only analysts enrolled in the AAR program can participate in the AAT program.  Proficiency in the AAT program is required to maintain Registered Analyst status.  

AAT samples are provided on a quarterly basis to organizations enrolled in the AAR program.  The organization is sent one set of AAT samples for every 5 analysts enrolled in the AAR. Results of each round are evaluated and a report of performance is provided to each enrolled organization.  The analyst has the opportunity to override his/her scores by participating in the retest round. The proficiency samples for the AAT program are generated and distributed by RTI International, with data analysis performed by the AIHA Registry Programs.   

Useful Link​s and For​​ms

Who should participate in the AA​T Program?

Any analyst enrolled in the AAR program must successfully participate in the AAT program.  A proficiency testing program provides objective evidence of an analyst's capability to produce data that is both accurate and repeatable. Participation in proficiency testing activities also provides invaluable feedback in the internal monitoring of your quality system and can help analyze the reliability of an organization's analytical protocols, personnel, and equipment. 

Proficient performance is a requirement for recognition as an AAR Registered Analyst and inclusion on the registry web list

Who can participate in t​​he AAT Program? 

The AAT Program is the proficiency testing program for fiber-counting analysts who desire to be included on the Asbestos Analysts Registry. Only analysts enrolled in the AAR may participate in the AAT program.  Participating organizations may have analysts that work in the laboratory or the field or both. 

How does the AAT program work? 

When an organization enrolls in the AAR Program their affiliated analysts are enrolled in the AAT program. Analysts may also be enrolled with an organization after the initial application submission. Samples are shipped quarterly to the organization's AAT Contact. One sample set can be analyzed up to five analysts. Sample analysis must be performed using the latest version of the NIOSH 7400 Method.  Analytical procedures must be in compliance with the OSHA asbestos standard, 29 CFR 1910.1001. Every enrolled analyst is assigned a unique ID number that is used with the organization ID number to enter their results into the AAT Data Entry Portal by the deadline.   AAT Performance Results Reports display the proficiency results and status of each enrolled analyst and are posted to the portal within 10 business days of the round closing. Download the AAT Deadlines and Instructions document above for more detailed information on the program. 

Access Report​s and Enter Results Online

Results Re​ports​ 

You may access your Organization’s AAT Performance Results Reports by accessing the AAT Data Entry Portal.  Once there click the "Reports" button located in the upper left corner of the blue menu bar.  Login ID and password are required to access reports; email us if you have misplaced this information.  

Please visit the AIHA PAT Programs web site to access the portal to obtain IHPAT, ELPAT, Diffusive Sampler or ELPAT Air program reports or to enter results for AIHA PAT Programs. 

Data Submission​​ 

To enter your AAT results visit the AAT Data Entry Portal.   Select AAT Data from the I would like to submit drop-down menu, then click Go!.  Enter your Organization ID, Analyst ID, the Batch Number of your AAT sample set and the analytical results for each sample in f/mm2 (whole numbers only).  Remember to print your submission confirmation page after submitting your sample data; it is your proof of submission.  You may re-enter your data at any time prior to the round close; your re-entry will override the original submission.

Download the current round's AAT Results Worksheet for your convenience. ​​​​​​​​​​​​​​​​​​​​

Upcoming Fibers for AAT Rounds

(Note only one fiber type will be present on each sample.  Each round also includes a blank filter)

Round 128 ​ 

  • ​Amosite, ​Chrysotile, man-made fiber

​​Round 129 

  • ​Amosite, ​Chrysotile, man-made fiber

Round 130 ​ 

  • ​Chrysotile, Amosite, man-made fiber

Round 131 ​ 

  • Amosite, ​Chrysotile, man-made fiber

Round 132 ​ 

  • Chrysotile, Amosite, man-made fiber​