Environmental Reference Materials, Organics - Soil PT, Proficiency Testing, Soil PTs
Chlordane in Soil #SPEO-009
Soil Proficiency Test Schedule
2024 SM Soil PT Study Schedule | ||
Study Number | Study Opens | Study Closes |
SM-140 | Feb. 6, 2024 | March 21, 2024 |
SM-141 | March 26, 2024 | May 9, 2024 |
SM-142 | Aug. 20, 2024 | Oct. 3, 2024 |
SM-143 | Oct. 21, 2024 | Dec. 4, 2024 |