Open Menu
Login
Join WQA
Search
Open Menu

Audience: Technical/Installer

  • 2022 Contaminant Forecast

    WQA’s Technical Affairs Director Eric Yeggy talks about his top contaminant and water treatment concerns for 2022 on WQA Radio (WQA’s weekly podcast). 

  • Contaminant Level Occurrence Above the MCLG

    The US Environmental Protection Agency (USEPA) sets a regulatory maximum contaminant level (MCL) or action level and a maximum contaminant level goal (MCLG) for all drinking water contaminants included in the National Primary Drinking Water Regulations (NPDWR). The MCLG is the maximum level of a contaminant in drinking water at which no known or anticipated…

  • Aesthetics Level Occurrence Study (hardness, iron, pH, manganese, disinfection residuals)

  • Water Testing and the Code of Ethics: Thoughts and Approaches

    Presenters Chris Wilker, Executive Vice President of Canature WaterGroup USA, and WQA General Counsel Mike Sennett explore the guidance offered by the WQA Code of Ethics to the use of consumer and household water testing in connection with the marketing and selling of industry POE/POU products. Once you’ve viewed the webinar, take the quiz for…

  • Cash or Ash?

    This webinar discussed the ins and outs of doing business with cannabis operators. After you watch the webinar, you can earn 0.1 CPD by passing this quiz.

  • Arsenic Fact Sheet

    The presence of arsenic (As) in nature is due mainly to natural deposits of metalloids in the earth’s crust and usually in ancient rock formations. Arsenic enters ground water through erosion or from manmade sources such as wood preservative, petroleum production, semi-conductor manufacture or due to misuse of animal feed additives and arsenic-containing pesticides (e.g.…

  • Barium Fact Sheet

    Barium is a divalent cation and alkaline earth metal that can be found in naturally occurring mineral deposits. The most common ores are found in Alaska, Arkansas, California, Georgia, Kentucky, Montana, Nevada, and Tennessee. In 2010, 670 thousand tons of barite, a natural barium sulfate ore, were mined in the US, most of it in…

  • Cadmium Fact Sheet

    Cadmium occurs naturally in zinc, in lead and copper ores, in coal and other fossil fuels, in shales and is released during volcanic action. These deposits can serve as sources to ground and surface waters, especially when in contact with low total dissolved solids (TDS) and acidic waters. Major industrial releases of cadmium are due…

  • Chloramine Fact Sheet

    Many municipal water supplies have switched from chlorine to an alternative method of disinfection to reduce the formation of trihalomethanes (THMs). Chloramine, or chloramination, is a treatment method employed by public water systems, more than one in five Americans uses drinking water treated with chloramines. Chloramines do pose a risk for hemodialysis patients and fish. Nitrosamines can…

  • Chromium Fact Sheet

    Trivalent chromium occurs naturally in the environment and can be found in rocks and soil. It can also be found in fruits, vegetables and meat. Cr3+ is used to make bricks, metal alloys and chemical compounds. Hexavalent chromium does not occur naturally in the environment. It is produced by certain chemical processes and is considered…