Environmental Reference Materials, Non-Potable Water (NPW) PTs, Organics - NPW PT, Proficiency Testing
NPW – Herbicides #PEO-094
Non-Potable Water NPW PT Study Schedule
2024 NPW PT Study Schedule | ||
Study Number | Study Opens | Study Closes |
WP-297* | Jan. 16, 2024 | Feb. 29, 2024 |
WP-298 | March 11, 2024 | April 24, 2024 |
WP-299* | April 16, 2024 | May 30, 2024 |
WP-300 | May 7, 2024 | June 20, 2024 |
WP-301* | July 16, 2024 | Aug. 29, 2024 |
WP-302 | Aug. 6, 2024 | Sept. 19, 2024 |
WP-303* | Oct. 8, 2024 | Nov. 21, 2024 |
WP-304 | Nov. 5, 2024 | Dec. 19, 2024 |
2021 NPW Study Schedule
Study Number | Study Opens | Study Closes |
WP-271 | Jan. 13 | Feb. 26 |
WP-273 | April 12 | May 26 |
WP-275 | July 14 | Aug. 27 |
WP-278 | Oct. 11 | Nov. 24 |