Drinking Water (WS) PTsEnvironmental Reference MaterialsInorganics - WS PTProficiency Testing

Full NELAC WS Inorganics Kit – PEI-018K

$869.00

Set includes: Inorganic Disinfection By-Products, Hardness, Inorganics, TOC/DOC, pH, Cyanide, Trace Metals, Residual Free Chlorine, Mercury, Corrosivity, Turbidity, Nitrite, Silica, Hexavalent Chromium, MBAs, UV254 Absorbance, Perchlorate and Orthophosphate. read more

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Catalog Number:
PEI-018K
Study Number

WS-121, WS-122, WS-123, WS-124, All

2019/2020 WS Study Schedule

2019/2020 WS Study Schedule

Study Number Study Opens Study Closes
WS-120 Oct. 14 Nov. 27, 2019
WS-121 Jan. 7 Feb. 20, 2020
WS-122 April 14 May 28, 2020
WS-123 July 7 Aug. 20, 2020
WS-124 Oct. 14 Nov. 27, 2020