Environmental Reference Materials, Non-Potable Water (NPW) PTs, Organics - NPW PT, Proficiency Testing
NPW – Base/Neutrals #PEO-121
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
1,1-Biphenyl | 30-200 ug/L | Dibenz(a,h)anthracene | 20-200 ug/L |
1,2,4,5-Tetrachlorobenzene | 20-200 ug/L | Dibenzofuran | 30-200 ug/L |
1,2,4-Trichlorobenzene | 20-200 ug/L | Diethyl phthalate | 50-200 ug/L |
1,2-Dichlorobenzene | 20-200 ug/L | Dimethoate | 20-200 ug/L |
1,2-Diphenylhydrazine as Azobenzene | 30-200 ug/L | Dimethyl phthalate | 50-200 ug/L |
1,3,5-Trinitrobenzene | 20-200 ug/L | Dinoseb | 20-200 ug/L |
1,3-Dichlorobenzene | 20-200 ug/L | Diphenyl ether | 20-200 ug/L |
1,3-Dinitrobenzene | 20-200 ug/L | Disulfoton | 20-200 ug/L |
1,4-Dichlorobenzene | 20-200 ug/L | Ethyl methanesulfonate | 30-200 ug/L |
1,4-Dioxane | 20-200 ug/L | Famphur | 20-200 ug/L |
1,4-Naphthoquinone | 20-200 ug/L | Fluoranthene | 30-200 ug/L |
1-Chloronaphthalene | 20-200 ug/L | Fluorene | 10-200 ug/L |
1-Methylnaphthalene | 30-200 ug/L | Hexachlorobenzene | 20-200 ug/L |
1-Naphthylamine | 20-200 ug/L | Hexachlorobutadiene | 50-200 ug/L |
2,3-Dichloroaniline | 20-200 ug/L | Hexachlorocyclopentadiene | 50-200 ug/L |
2,4-Dinitrotoluene (2,4-DNT) | 20-200 ug/L | Hexachloroethane | 50-200 ug/L |
2,6-Dinitrotoluene (2,6-DNT) | 20-200 ug/L | Hexachlorophene | 20-200 ug/L |
2-Acetylaminofluorene | 20-200 ug/L | Hexachloropropene | 20-200 ug/L |
2-Chloronaphthalene | 20-200 ug/L | Indeno(1,2,3-c,d)pyrene | 30-200 ug/L |
2-Methylcholanthrene | 10-200 ug/L | Isodrin | 20-200 ug/L |
2-Methylnaphthalene | 20-200 ug/L | Isophorone | 20-200 ug/L |
2-Naphthylamine | 20-200 ug/L | Isosafrole | 20-200 ug/L |
2-Nitroaniline | 10-200 ug/L | Kepone | 20-200 ug/L |
2-Picoline | 20-200 ug/L | m-Dinitrobenzene | 10-200 ug/L |
3,3-Dimethylbenzidine | 20-200 ug/L | Methapyrilene | 20-200 ug/L |
3,3’-Dichlorobenzidine | 50-200 ug/L | Methyl methanesulfonate | 10-200 ug/L |
3-Methylcholanthrene | 20-200 ug/L | Methyl parathion | 20-200 ug/L |
3-Nitroaniline | 30-200 ug/L | n-Decane | 20-200 ug/L |
4-Aminobiphenyl | 20-200 ug/L | N-Nitroso-di-n-butylamine | 20-200 ug/L |
4-Bromophenyl phenyl ether | 20-200 ug/L | N-Nitroso-di-n-propylamine | 30-200 ug/L |
4-Chloroaniline | 10-200 ug/L | N-Nitrosodiethylamine | 20-200 ug/L |
4-Chlorophenyl phenylether | 20-200 ug/L | N-Nitrosodimethylamine | 75-200 ug/L |
4-Nitroaniline | 10-200 ug/L | N-Nitrosodiphenylamine | 30-200 ug/L |
4-Nitroquineoline-1-oxide | 20-200 ug/L | Diallate | 20-200 ug/L |
5-Nitro-o-toluidine | 20-200 ug/L | N-Nitrosomorpholine | 20-200 ug/L |
7,12-Dimethylbenz(a)anthracene | 20-200 ug/L | N-Nitrosopiperidine | 20-200 ug/L |
a,a-Dimethylphenylamine | 20-200 ug/L | N-Nitrosopyrrolidine | 20-200 ug/L |
Acenaphthene | 10-200 ug/L | n-Octadecane | 20-200 ug/L |
Acenaphthylene | 10-200 ug/L | Naphthalene | 20-200 ug/L |
Acetophenone | 20-200 ug/L | Nitrobenzene | 20-200 ug/L |
Aniline | 30-200 ug/L | o,o,o-Triethylphoshorothioate | 20-200 ug/L |
Anthracene | 10-200 ug/L | o-Dinitrobenzene | 10-200 ug/L |
Atrazine | 30-200 ug/L | o-Toluidine | 20-200 ug/L |
Benzaldehyde | 30-200 ug/L | p-Dimethylaminoazobenzene | 20-200 ug/L |
Benzidine | 200-1000 ug/L | p-Dinitrobenzene | 10-200 ug/L |
Benzo(a)anthracene | 10-200 ug/L | p-Phenylenediamine | 20-200 ug/L |
Benzo(a)pyrene | 10-200 ug/L | Parathion | 20-200 ug/L |
Benzo(b)fluoranthene | 20-200 ug/L | Pentachlorobenzene | 20-200 ug/L |
Benzo(g,h,i)perylene | 10-200 ug/L | Pentachlorohexane | 20-200 ug/L |
Benzo(k)fluoranthene | 20-200 ug/L | Pentachloronitrobenzene | 20-200 ug/L |
Benzyl alcohol | 30-200 ug/L | Phenacetin | 20-200 ug/L |
Butyl benzyl phthalate | 50-200 ug/L | Phenanthrene | 10-200 ug/L |
bis(2-Chloroethoxy)methane | 20-200 ug/L | Phorate | 20-200 ug/L |
bis(2-Chloroethyl)ether | 20-200 ug/L | Pronamide | 20-200 ug/L |
2,2’-Oxybis(1-Chloropropane) | 30-200 ug/L | Pyrene | 10-200 ug/L |
DI(2-ethylhexyl) phthalate | 20-200 ug/L | Pyridine | 10-200 ug/L |
Caprolactam | 30-200 ug/L | Safrole | 20-200 ug/L |
Carbazole | 20-200 ug/L | Sulfotepp | 20-200 ug/L |
Chlorobenzilate | 20-200 ug/L | ||
Chrysene | 10-200 ug/L | ||
Di-n-butyl phthalate | 40-200 ug/L | ||
Di-n-octyl phthalate | 30-200 ug/L |