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3805 results.

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Page 80, results 1976 - 2000

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Naturally Occurring Arsenic in Ground Water, Norman, Oklahoma, 2004, and Remediation Options for Produced Water
S. Jerrod Smith, Scott Christenson
2005, Fact Sheet 2005-3111
In 2000, the U.S. Environmental Protection Agency (EPA) reviewed the arsenic drinking water standard for public water supplies. Considering the available research and statistics on the health effects of arsenic ingestion, the EPA reduced the Maximum Contaminant Level (MCL) for public drinking water from 50 micrograms per liter (?g/L) to...
Parking lot sealcoat: a major source of polycyclic aromatic hydrocarbons (PAHs) in urban and suburban environments
Peter C. Van Metre, Barbara Mahler, Mateo Scoggins, Pixie A. Hamilton
2005, Fact Sheet 2005-3147
Collaborative studies by the City of Austin and the U. S. Geological Survey (USGS) have identified coal-tar based sealcoat—the black, shiny emulsion painted or sprayed on asphalt pavement such as parking lots—as a major and previously unrecognized source of polycyclic aromatic hydrocarbon (PAH) contamination. Several PAHs are suspected human carcinogens...
Southern California — Wildfires and debris flows
Water Resources Division, U.S. Geological Survey
2005, Fact Sheet 2005-3106
Wildland fires are inevitable in the western United States. Expansion of man-made developments into fire-prone wildlands has created situations where wildfires can destroy lives and property, as can the flooding and debris flows that are common in the aftermath of the fires. Fast-moving, highly destructive debris flows triggered by...
Southern California landslides-an overview
Water Resources Division, U.S. Geological Survey
2005, Fact Sheet 2005-3107
Southern California lies astride a major tectonic plate boundary defined by the San Andreas Fault and numerous related faults that are spread across a broad region. This dynamic tectonic environment has created a spectacular landscape of rugged mountains and steep-walled valleys that compose much of the region’s scenic beauty. Unfortunately,...
Water use for irrigation in Michigan, 2001
Michele L. Morenz, Ron L. Van Til, Carol L. Luukkonen
2005, Fact Sheet 2005-3079
Each year, water-use data for Michigan are compiled or estimated by the Michigan Department of Environmental Quality (MDEQ), working in cooperation with the U. S. Geological Survey (USGS). The resulting information provides a category-by-category profile of over 4,200 facilities throughout the State. The data are reported in the Michigan Water...