Drinking Water Chemistry WS Proficiency Study Schedule
2024 WS Drinking Water Chemistry PT Study Schedule | ||
Study Number | Study Opens | Study Closes |
WS-137 | Jan. 8, 2024 | Feb. 21, 2024 |
WS-138 | April 3, 2024 | May 17, 2024 |
WS-139 | July 2, 2024 | Aug. 15, 2024 |
WS-140 | Oct. 15, 2024 | Nov. 28, 2024 |
Analyte
ETBE | 5-50 ug/L |
TAME | 5-50 ug/L |
DIPE | 5-50 ug/L |
Trichlorotrifluoroethane | 5-50 ug/L |
1-Phenylpropane | 5-50 ug/L |
tert-Butyl alcohol | 5-50 ug/L |