The Standard - August 2019
Regulatory Actions by the EU and US EPA on Neonicotinoids Take Effect
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Analyzing Cyanotoxins in Surface Water and Drinking Water
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Proposed Limit on Perchlorate in Drinking Water
The United States Environmental Protection Agency (US EPA) has proposed a maximum contaminant level (MCL) of 56 parts per billion (ppb) of perchlorate in drinking water. In addition to this proposal, three other regulatory options for perchlorate have been proposed: an MCL of 18 ppb, an MCL of 90 ppb, or no regulation at all.
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