exposure in addition to methemoglobinemia, such as cancer and reproductive and developmental effects. It then characterizes the dose-response relationships between exposure and health effects. The human exposure to nitrate and nitrite and the relative contribution of drinking water to that exposure are assessed. Finally, the MCLGs that provide adequate margins of safety for human health are identified.
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1 INTRODUCTION AND BACKGROUND ."
Nitrate and Nitrite in Drinking Water . Washington, DC: The National Academies Press,
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The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.