Proficiency Testing Schedule

Listed below are the dates of RTC quarterly studies.

Wastewater
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
WP21-3	July 7 - August 20, 2021
WP21-4	September 22 - November 5, 2021
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Drinking Water
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
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
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)