Tag: residual

List of Drinking Water Contaminants & Their Maximum Contaminant Level: Disinfectants

water,drinking,chlorine,disinfectants,disinfectant,disinfection,residual,used,health,level

Drinking water contaminants also include disinfectants. What are disinfectants, how are they used, and what are their health effects in drinking water at levels above the maximum residual disinfectant level? What are EPA’s drinking water regulations for disinfectants? In 1974, Congress passed the Safe Drinking Water Act to control drinking water contaminants. This law requires …

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Third Hand Smoke The Dangers of Third Hand Smoke

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There are new concerns over this new smoke,or smoke that has penetrated fabrics, paper, and other substances, and settled on indoor surfaces. For decades we’ve heard about the dangers of smoking and of second hand smoke, but there are now concerns over this new kind of smoke. This residual smoke can, apparently, form new chemicals …

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