Proficiency Testing (RTC)

These PT studies are ACLASS (certificate# AP-1469) accredited, producing accredited NELAC Proficiency Tests to the relevant sections of ISO 17025 and ISO 17043. RTC also has a registered ISO9001:2008 quality system. RTC have been producing environmental LPTP for more than 20 years and regularly sends out more than 20,000 PT samples a year to over 2,500 participants throughout the world.

Resources:

Environmental Proficiency Testing brochure
RTC Study Schedule
Quick Turn Studies
Proficiency Testing Registration Form
Request a Custom Quote
Sigma-Aldrich PT Web Reporting System for reporting and evaluating your results.