Environmental Reference Materials,  Non-Potable Water (NPW) PTs,  Organics - NPW PT,  Proficiency Testing

NPW – Acids #PEO-022

A 1.5 mL concentrate in Acetone for use with Methods 604/8040/8041 or 625/8270. The sample design will satisfy PT requirements for any of the analytes listed below.  Supplied in duplicate to provide adequate sample for multiple methods requirements or for multiple analysts. read more

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Catalog Number:
PEO-022
Choose Study

WP-297, WP-299, WP-301, WP-303

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

4-Chloro-3-methylphenol 30-200 ug/L
2-Chlorophenol 30-200 ug/L
2-Cyclohexyl-4,6-dinitrophenol 50-200 ug/L
2,4-Dichlorophenol 30-200 ug/L
2,6-Dichlorophenol 30-200 ug/L
2,4-Dimethylphenol 40-200 ug/L
2,4-Dinitrophenol 100-200 ug/L
2-Methyl-4,6-Dinitrophenol 40-200 ug/L
2-Methylphenol 40-200 ug/L
4-Methylphenol 50-200 ug/L
2-Nitrophenol 50-200 ug/L
4-Nitrophenol 100-200 ug/L
Pentachlorophenol 40-200 ug/L
Phenol 100-200 ug/L
2,3,4,5-Tetrachlorophenol 50-200 ug/L
2,3,4,6-Tetrachlorophenol 50-200 ug/L
2,4,5-Trichlorophenol 30-200 ug/L
2,4,6-Trichlorophenol 30-200 ug/L
Benzoic acid 50-200 ug/L

2021 NPW Study Schedule

Study Number Study Opens Study Closes
WP-271 Jan. 13 Feb. 26
WP-273 April 12 May 26
WP-275 July 14 Aug. 27
WP-278 Oct. 11 Nov. 24

 

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