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

NPW – Total Phenolics #PEI-032

$46.00

A 5.0 mL concentrate for determination of Total Phenolics.  Formulated in the NELAC range of 0.5 - 5 mg/L. Each ampule produces 5 liters of sample.  (Supplied in duplicate)     read more

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Catalog Number:
PEI-032
Study Number

WP-261, WP-262, WP-263, WP-264, WP-265, WP-266, WP-267, WP-268, WP-269, WP-270, All

2019 NPW Study Schedule

2019 NPW Study Schedule

Study Number Study Opens Study Closes
WP-253 Jan. 15 Feb. 28, 2019
WP-254 Feb. 26 April 10, 2019
WP-255 April 9 May 23, 2019
WP-256 May 7 June 20, 2019
WP-257 July 16 Aug. 29, 2019
WP-258 Aug. 13 Sept. 26, 2019
WP-259 Sept. 4 Oct. 18, 2019
WP-260 Oct. 9 Nov. 22, 2019
WP-261 Nov. 6 Dec. 20, 2019