PROFICIENCY TESTING STUDY SCHEDULES

Waters ERA offers proficiency testing studies more frequently so you can participate in a study when it fits your schedule best. If you have any questions, our customer service team is here to help you find the PT standards and studies that will meet your needs. Don't hesitate to email or call ERA at 800-372-0122 or 303-431-8454. We're here to help.

Click on the link below to download Waters ERA's Proficiency Testing Study Schedule.

» 2019 ERA PT Study Schedule

» 2020 ERA PT Study Schedule

Water Supply

Study NameOpen DateClose Date
WS 282* 01/06/2020 02/20/2020
WS 283 02/03/2020 03/19/2020
WS 284 03/02/2020 04/16/2020
WS 285* 04/06/2020 05/21/2020
WS 286 05/04/2020 06/18/2020
WS 287 06/01/2020 07/16/2020
WS 288* 07/06/2020 08/20/2020
WS 289 08/03/2020 09/17/2020
WS 290 09/01/2020 10/16/2020
WS 291* 10/02/2020 11/16/2020
WS 292 11/02/2020 12/17/2020
WS 293 12/04/2020 01/18/2021
WS 294* 01/11/2021 02/25/2021
WS 295 02/08/2021 03/25/2021
WS 296 03/08/2021 04/22/2021
WS 297* 04/05/2021 05/20/2021
WS 298 05/10/2021 06/24/2021
WS 299 06/07/2021 07/22/2021
* Denotes Quarterly Studies

Air & Emissions

Study NameOpen DateClose Date
AE 051 01/27/2020 03/12/2020
AE 052 04/27/2020 06/11/2020
AE 053 07/27/2020 09/10/2020
AE 054 10/23/2020 12/07/2020
AE 055 01/29/2021 03/15/2021
AE 056 04/26/2021 06/10/2021

DMR-QA

Study NameOpen DateClose Date
DMRQA 40 03/20/2020 07/02/2020
DMRQA 41 03/19/2021 07/02/2021

Water Pollution

Study NameOpen DateClose Date
WP 300* 01/13/2020 02/27/2020
WP 301 02/10/2020 03/26/2020
WP 302 03/09/2020 04/23/2020
WP 303* 04/13/2020 05/28/2020
WP 304 05/11/2020 06/25/2020
WP 305 06/08/2020 07/23/2020
WP 306* 07/13/2020 08/27/2020
WP 307 08/10/2020 09/24/2020
WP 308 09/08/2020 10/23/2020
WP 309* 10/09/2020 11/23/2020
WP 310 11/13/2020 12/28/2020
WP 311 12/11/2020 01/25/2021
WP 312* 01/18/2021 03/04/2021
WP 313 02/15/2021 04/01/2021
WP 314 03/15/2021 04/29/2021
WP 315* 04/12/2021 05/27/2021
WP 316 05/17/2021 07/01/2021
WP 317 06/14/2021 07/29/2021
* Denotes Quarterly Studies

Soil

Study NameOpen DateClose Date
SOIL 109 01/20/2020 03/05/2020
SOIL 110 04/20/2020 06/04/2020
SOIL 111 07/20/2020 09/03/2020
SOIL 112 10/16/2020 11/30/2020
SOIL 113 01/25/2021 03/11/2021
SOIL 114 04/19/2021 06/03/2021
SOIL 8109 01/20/2020 03/05/2020
SOIL 8111 07/20/2020 09/03/2020

Radiochemistry

Study NameOpen DateClose Date
RAD 120 01/06/2020 02/20/2020
RAD 121 04/06/2020 05/21/2020
RAD 122 07/06/2020 08/20/2020
RAD 123 10/02/2020 11/16/2020
RAD 124 01/11/2021 02/25/2021
RAD 125 04/05/2021 05/20/2021

MRAD

Study NameOpen DateClose Date
MRAD 032 03/16/2020 05/15/2020
MRAD 033 09/14/2020 11/13/2020
MRAD 034 03/22/2021 05/21/2021