Environmental Reference Materials, Non-Potable Water (NPW) PTs, Organics - NPW PT, Proficiency Testing
NPW – Supplemental Volatiles #PEO-119
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 |
Analyte
| t-Amyl alcohol | 5-500 ug/L | t-Amyl methyl ether | 5-500 ug/L |
| t-Butyl alcohol | 5-500 ug/L | Diethyl ether | 5-500 ug/L |
| Diisopropyl ether | 5-200 ug/L | Ethanol | 500-5000 ug/L |
| Ethyl tert-butyl ether | 5-200 ug/L | 3,3-Dimethyl-1-butanol | 5-500 ug/L |
| 1,1,1,2-Tetrachloroethane | 10-200 ug/L | 1,1,2-Trichloro-1,2,2-trifluoroethane | 10-200 ug/L |
| 1,1-Dichloropropene | 10-200 ug/L | 1,2,3-Trichloropropane | 10-200 ug/L |
| 1,2-Dibromo-3-chloropropane | 10-200 ug/L | 1,2-Dibromoethane | 10-200 ug/L |
| Allyl chloride | 10-200 ug/L | Bromochloromethane | 10-200 ug/L |
| Hexachlorobutadiene | 10-200 ug/L | Iodomethane | 10-200 ug/L |
| Isopropylbenzene | 10-200 ug/L | n-Butylbenzene | 10-200 ug/L |
| n-Propylbenzene | 10-200 ug/L | 1,2,3-Trichlorobenzene | 10-200 ug/L |
| 1,2,4-Trimethylbenzene | 10-200 ug/L | 1,3,5-Trichlorobenzene | 10-200 ug/L |
| 1,3,5-Trimethylbenzene | 10-200 ug/L | 1,4-Dioxane | 10-1000 ug/L |
| 2-Chlorotoluene | 10-200 ug/L | 4-Chlorotoluene | 10-200 ug/L |
| Bromobenzene | 10-200 ug/L | Chloroprene | 10-200 ug/L |
| Ethyl methacrylate | 10-200 ug/L | Isobutyl alcohol | 10-1000 ug/L |
| Methacrylonitrile | 10-200 ug/L | Methyl methacrylate | 10-200 ug/L |
| Pentachloroethane | 10-200 ug/L | Propionitrile | 10-200 ug/L |
| cis-1,4-Dichloro-2-butene | 10-200 ug/L | p-Isopropyltoluene | 10-200 ug/L |
| sec-Butylbenzene | 10-200 ug/L | tert-Butylbenzene | 10-200 ug/L |
| trans-1,4-Dichloro-2-butene | 10-200 ug/L | 2,2-Dichloropropane | 10-200 ug/L |
| 1,3-Dichloropropane | 10-200 ug/L | Tetrahydrofuran | 10-200 ug/L |
| 1-Chlorohexane | 10-200 ug/L | n-Hexane | 10-200 ug/L |
| Cyclohexanone | 10-200 ug/L | t-Butyl formate | 10-200 ug/L |
2022 NPW Study Schedule
| Study Number | Study Opens | Study Closes |
| WP-280 | Jan. 11 | Feb. 24 |
| WP-281 | March 1 | April 14 |
| WP-282 | April 13 | May 27 |
| WP-283 | May 4 | June 17 |
| WP-284 | July 13 | Aug. 26 |
| WP-285 | Aug. 3 | Sept. 16 |
| WP-286 | Sept. 7 | Oct. 21 |
| WP-287 | Oct. 12 | Nov. 25 |
| WP-288 | Nov. 2 | Dec. 16 |
