Proficiency Testing Schedule

Listed below are the dates of RTC quarterly studies.

Wastewater (view product list)
WP19-3B July 10 – August 23, 2019
WP19-4 September 25 – November 8, 2019
WP19-5 November 20 – January 3, 2020
WP20-1 January 15 – February 28, 2020
WP20-2 March 25 - May 8, 2020
WP20-3A May 13 - June 26, 2020
WP20-3B July 8 - August 21, 2020
WP20-4 September 23 - November 6, 2020
WP20-5 November 25 - January 8, 2021
WP21-1 January 13 – February 26, 2021
WP21-2 March 24 - May 7, 2021
WP21-3A May 12 - June 25, 2021
WP21-3B July 7 - August 20, 2021
WP21-4 September 22 - November 5, 2021
WP21-5 November 24 - January 7, 2022
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Drinking Water (view product list)
WS19-4 September 25 – November 8, 2019
WS20-1 January 15 – February 28, 2020
WS20-2 March 25 - May 8, 2020
WS20-3 July 8 - August 21, 2020
WS20-4 September 23 - November 6, 2020
WS21-1 January 13 – February 26, 2021
WS21-2 March 24 - May 7, 2021
WS21-3 July 7 - August 20, 2021
WS21-4 September 22 - November 5, 2021
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Soils (view product list)
LPTP19-S4 October 9 – November 22, 2019
LPTP20-S1 January 29 - March 13, 2020
LPTP20-S2 April 8 - May 22, 2020
LPTP20-S3 July 22 - September 4, 2020
LPTP20-S4 October 7 - November 20, 2020
LPTP21-S1 January 27 - March 12, 2021
LPTP21-S2 April 7 - May 21, 2021
LPTP21-S3 July 21 - September 3, 2021
LPTP21-S4 October 6 - November 19, 2021
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Air (view product list)
AIR19-4 October 9 – November 22, 2019
AIR20-2 April 8 - May 22, 2020
AIR20-4 October 7 - November 20, 2020
AIR21-2 April 7 - May 21, 2021
AIR21-4 October 6 - November 19, 2021
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Quick-Turn (learn more)
Quick-Turn Study – (non-scheduled proficiency test that is available at any time)