"TXI will permanently shut down its four oldest, highest-polluting cement kilns in Midlothian and will stop burning hazardous waste as fuel, the Dallas-based company said Tuesday."
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.
After hearing for years about public concern over the adverse health and environmental effects of hydraulic fracturing used to increase production of natural gas, US EPA has begun a process (including 4 public meetings in July; CO, NY, PA, TX) to decide what the issues are and how to address them.
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.
"The use of roxarsone and other arsenic-based additives in poultry and swine feed is at the center of a national controversy."
"The Minnesota Department of Health on Thursday released a list of hundreds of chemicals that pose a potential health risk. The state's list includes 1,755 substances, among them lead, mercury, arsenic and cadmium. But it also includes many other organic chemicals that include pesticides, flame retardants, dyes and other chemicals used in industry or found in consumer products."
"An international group of researchers is renewing its call for a global ban on the mining and use of asbestos, a known cause of cancer they say is unsafe in any form."
"The first round of government tests of the chemical dispersants that are being used to break up the massive oil spill in the Gulf of Mexico found they aren't overly damaging to shrimp and small fish, but more tests are needed to determine what happens when they're mixed with oil."
A big fraction of the leaks and spills involved not merely oil, but produced water containing hydraulic fracturing fluid. You'll find lots of useful data on the Oil and Gas Conservation Commission website.
Every spill report coming in to the NRC goes into a database which is, for the most part, publicly accessible. You can query the database online, or download it for use in your own computer-assisted reporting project.
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