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Memorial Day Holiday

Our office will be closed Friday, 5/22 at 3:00 PM Eastern Time and on Monday, 5/25 for the Memorial Day Holiday. We will be available to assist you again during regular business hours Tuesday, 5/26. Thank you!

Scheduled Maintenance

Due to scheduled maintenance, our website may experience intermittent downtime on Friday, May 22nd between 5:00 PM and 8:00 PM Eastern Time. Please plan accordingly. We apologize for any inconvenience this may cause.

WELCOME to American Proficiency Institute

At American Proficiency Institute every aspect of your proficiency testing is controlled by you -- how you choose to receive your test kits, how you report results, and whether to review test results using traditional reports or using graphical analysis. Throughout the entire process, you have the backing of the most advanced proficiency testing organization in the world.

API is accredited by A2LA to the international PT quality standard, ISO/IEC 17043:2023. Click the A2LA Accredited symbol above to access our scope of accreditation.

CALENDAR

ANNOUNCEMENTS

  • May 26
    Chemistry-Misc. Evaluations Graded
  • May 26
    Chemistry-Core Sample Replacement Deadline
  • Jun 1
    Microbiology Kits Start Shipping
  • Jun 3
    Microbiology Routine Kit Shipping Ends
  • Jun 9
    Microbiology Sample Replacement Deadline
  • Jun 10
    Chemistry-Core PT Results Deadline
VIEW FULL CALENDAR

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