If EPA's health-based primary standard is reduced from its current level of 75 parts per billion to 60 ppb, which is the low end of what the agency's science advisors have recommended, about 67% of the US population would live in monitored counties that would be out of compliance.
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The USGS study used data from thousands of locations to analyze trends from 1992 to 2004. You can probably find many local and regional stories as these pollutants contribute to various environmental and human health problems.Topics on the Beat:
Salt and other substances used to make roads and other paved surfaces safer contaminate water ways with deadly toxicity levels that can even last till summer in some areas, according to a USGS study.
EPA warns Pavillion, WY residents not to drink or cook with their well water, and that the presence of methane (the main ingredient in natural gas) is so high that they should ventilate any room in which a shower is operating, and to not ignite anything in a closed room in which water is running.
There were just 12 of these hypoxic areas in the 1960s. Now there are more than 300, or nearly half of the 647 waterways investigated by a consortium of federal agencies that released its report on Sept. 3, 2010.
The National Response Center, a single call-in facility for the reporting of all kinds of oil and chemicals leaks, spills, and discharges, puts all the data online in a form than can be queried or downloaded.SEJ Publication Types:
Here's a roundup of recent developments and resources that can help you cover how local stormwater management fits into the regional and national picture, including the Natural Resources Defense Council's 20th annual beach report and the proposed Green Infrastructure for Clean Water Act of 2010.
Data for the 2009 Toxics Release Inventory, released July 28, 2010, includes only about 80% of the total expected submissions so it's not possible to look at category totals, trends, and other aspects that require 100% of the data until later this year. However, you can report immediately on many local emitters, including evaluations of their totals and trends.
Both polycyclic aromatic hydrocarbons (primarily from combustion sources) and pesticides are pervasive in 8 diverse US national parks, according to two Environmental Science & Technology studies by international teams of university and government agency researchers.
The University of Massachusetts Political Economy Research Institute's "Toxic 100 Air Polluters" indicates 4 of the worst 12 air polluters are petroleum companies. You can use this resource to look at other groupings of companies, such as utilities, or drug, chemical, or metals manufacturers, or to look at any of the individual companies.