Environmental Reference MaterialsInorganics - NPW PTNon-Potable Water (NPW) PTsProficiency Testing

NPW – Minerals #PEI-136

$89.00

A 500 mL ready-to-use sample packaged in a HDPE bottle to be analyzed for the following:    (Supplied in duplicate) read more

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Catalog Number:
PEI-136
Study Number

WP-297, WP-298, WP-299, WP-300, WP-301, WP-302, WP-303, WP-304, DMRQA-44

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

Potassium 4.0 – 40 mg/L
Sodium 10 – 100 mg/L
Chloride 35 – 275 mg/L
Sulfate 5 – 125 mg/L
Fluoride 0.4 – 4 mg/L
Total Alkalinity (CaCO3) 25 – 400 mg/L
Specific Conductance(at 25C) 200 – 1200 umhos/cm
Total Dissolved Solids 140 – 800 mg/L