Environmental Reference MaterialsNon-Potable Water (NPW) PTsOrganics - NPW PTProficiency Testing

NPW – OP Pesticides #PEO-100

$103.00

A 1.5 mL concentrate in Acetone for determination of: (Supplied in duplicate) read more

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Catalog Number:
PEO-100
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

Azinphos-methyl(Guthion) 3.6-13.8 ug/L Dichlorvos 2.0-20 ug/L
Bolstar 2.0-20 ug/L Ethion 2.0-20 ug/L
Chlorpyrifos 2.0-20 ug/L Ethoprop 2.0-20 ug/L
Demeton-o 2.0-20 ug/L Malathion 2.0-20 ug/L
Demeton-s 2.0-20 ug/L Parathion, ethyl 2.0-20 ug/L
Diazinon 2.0-15 ug/L Stirophos 2.0-20 ug/L
Disulfoton 2.0-15 ug/L Tokuthion 2.0-20 ug/L
Dichlofenthion 2.0-20 ug/L Trichloronate 2.0-20 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