Schedule - Environmental
Non-Potable Water (NPW) Proficiency Test Studies
*Denotes Full Organic & Inorganic Studies. The others are Inorganic Only PT Studies.
| 2023 NPW | ||
| Study Number | Study Opens | Study Closes |
| WP-289* | Jan. 11, 2023 | Feb. 24, 2023 |
| WP-290 | March 6, 2023 | April 19, 2023 |
| WP-291* | April 12, 2023 | May 26, 2023 |
| WP-292 | May 10, 2023 | June 23, 2023 |
| WP-293* | July 18, 2023 | Aug. 31, 2023 |
| WP-294 | Aug. 8, 2023 | Sept. 21, 2023 |
| WP-295* | Oct. 11, 2023 | Nov. 24, 2023 |
| WP-296 | Nov. 6, 2023 | Dec. 20, 2023 |
National Pollutant Discharge Elimination System (NPDES) annual Discharge Monitoring Report-Quality Assurance (DMR-QA) Proficiency Test Study
| 2023 DMRQA Study | ||
| Study Number | Study Opens | Study Closes |
|---|---|---|
| DMRQA-43 | May 19 | Aug. 9 |
Drinking Water Proficiency Test Studies – WS
| 2022/2023 WS | ||
| Study Number | Study Opens | Study Closes |
| WS-132 | Oct. 5, 2022 | Nov. 18, 2022 |
| WS-133 | Jan. 4, 2023 | Feb. 17, 2023 |
| WS-134 | April 5, 2023 | May 19, 2023 |
| WS-135 | July 12, 2023 | Aug. 25, 2023 |
| WS-136 | Oct. 4, 2023 | Nov. 17, 2023 |
Soil Proficiency Test Studies – SM
| 2022/2023 SM | ||
| Study Number | Study Opens | Study Closes |
| SM-135 | Oct. 19, 2022 | Dec. 2, 2022 |
| SM-136 | Feb. 6, 2023 | March 22, 2023 |
| SM-137 | March 29, 2023 | May 12, 2023 |
| SM-138 | Aug. 16, 2023 | Sept. 29, 2023 |
| SM-139 | Oct. 18, 2023 | Dec. 1, 2023 |
Drinking Water Microbiological Proficiency Test Studies – MS
| 2022/2023 MS | ||
| Study Number | Study Opens | Study Closes |
| MS-227 | Oct. 3, 2022 | Nov. 1, 2022 |
| MS-228* | Nov. 1, 2022 | Nov. 30, 2022 |
| MS-229* | Dec. 5,2022 | Jan. 3, 2023 |
| MS-230 | Jan 3. 2023 | Feb. 1, 2023 |
| MS-231* | Feb. 1, 2023 | March 2, 2023 |
| MS-232* | March 1, 2023 | March 30, 2023 |
| MS-233 | April 4, 2023 | May 3, 2023 |
| MS-234* | May 2, 2023 | May 31, 2023 |
| MS-235* | June 6, 2023 | July 5, 2023 |
| MS-236 | July 5, 2023 | Aug. 3, 2023 |
| MS-237* | Aug. 1, 2023 | Aug. 30, 2023 |
| MS-238* | Sept. 5, 2023 | Oct. 4, 2023 |
| MS-239 | Oct. 3, 2023 | Nov. 1, 2023 |
| MS-240* | Nov. 14, 2023 | Dec. 12, 2023 |
| *MIC-002, MIC-006, MIC-007 & MIC-009 are not available in these studies. | ||
Non-Potable Water (NPW) Microbiological Proficiency Test Studies
| 2022/2023 NPW Micro | ||
| Study Number | Study Opens | Study Closes |
| MP-194 | Sept. 13, 2022 | Oct. 27, 2022 |
| MP-195 | Oct. 10, 2022 | Nov. 23, 2022 |
| MP-196 | Jan. 10, 2023 | Feb. 23, 2023 |
| MP-197 | March 6, 2023 | April 19, 2023 |
| MP-198 | April 11, 2023 | May 25, 2023 |
| MP-199 | July 10, 2023 | Aug. 23, 2023 |
| MP-200 | Oct. 9, 2023 | Nov. 22, 2023 |
Underground Storage Tank (UST) Proficiency Test Studies
| 2022/2023 UST | ||
| Study Number | Study Opens | Study Closes |
| UST-110 | Oct. 19, 2022 | Dec. 2, 2022 |
| UST-111 | Feb. 6, 2023 | March 22, 2023 |
| UST-112 | March 29, 2023 | May 12, 2023 |
| UST-113 | Aug. 16, 2023 | Sept. 29, 2023 |
| UST-114 | Oct. 18, 2023 | Dec. 1, 2023 |
Schedule - Food & Agriculture
Food Microbiology Proficiency Test Studies – FM
| 2022/2023 FM | ||
| Study Number | Study Opens | Study Closes |
| FM-1122 | Nov. 2, 2022 | Dec. 16, 2022 |
| FM-0223 | Feb. 15, 2023 | March 31, 2023 |
| FM-0523 | May 17, 2023 | June 30, 2023 |
| FM-0823 | Aug. 9, 2023 | Sept. 22, 2023 |
| FM-1123 | Nov. 7, 2023 | Dec. 21, 2023 |
Food Chemistry Proficiency Test Studies – FC
| 2022/2023 FC | ||
| Study Number | Study Opens | Study Closes |
| FC-1122 | Nov. 2, 2022 | Dec. 16, 2022 |
| FC-0223 | Feb. 15, 2023 | March 31, 2023 |
| FC-0523 | May 10, 2023 | June 23, 2023 |
| FC-0823 | Aug. 9, 2023 | Sept. 22, 2023 |
| FC-1123 | Nov. 7, 2023 | Dec. 21, 2023 |
Hemp Proficiency Test Studies
| 2022/2023 HEMP | ||
| Study Number | Study Opens | Study Closes |
| HEMP-0922 | Sept. 20, 2022 | Nov. 3, 2022 |
| HEMP-0323 | March 28, 2023 | May 11, 2023 |
| HEMP-0923 | Sept. 26, 2023 | Nov. 9, 2023 |
USP Proficiency Test Studies
| 2022-2023 PH | ||
| Study Number | Study Opens | Study Closes |
| PH-0123 | Jan. 16, 2023 | March 17, 2023 |
| PH-0523 | May 15, 2023 | July 14, 2023 |
| PH-0923 | September 15, 2023 | November 17, 2023 |
| PH-0124 | January 15, 2024 | March 17, 2024 |