This study examines indicators and technologies for assessing contamination of U.S. recreational waters and sources for drinking water. The report presents a phased, three-level monitoring framework for selecting indicators and…

From the oceans to continental heartlands, human activities have altered the physical characteristics of Earth’s surface. With Earth’s population projected to peak at 8 to 12 billion people by 2050…

Aviation is an integral part of the global transportation network, and the number of flights worldwide is expected to grow rapidly in the coming decades. Yet, the effects that subsonic…

Most people associate fluoride with the practice of adding fluoride to public drinking water supplies for the prevention of tooth decay. However, fluoride can also enter public water systems from…

President Carter’s 1980 declaration of a state of emergency at Love Canal, New York, recognized that residents’ health had been affected by nearby chemical waste sites. This book makes recommendations…

Land parcel data (also known as cadastral data) provide geographically referenced information about the rights, interests, and ownership of land and are an important part of the financial, legal, and…

Second in a four-part series requested by Congress, this book describes the plans of the committee to monitor the progress of the research on particulate matter conducted by the US…

Reviews toxicity documents on five chemicals - chlorine, hydrogen chloride, hydrogen fluoride, toluene, and uranium hexafluoride - for their scientific validity, comprehensives, internal consistency, and conformance to the 1993 guidelines…