Science news articles about 'health standards'

... plumes blew into a region than when no plumes were present. At the time of the wildfires, the public health standard for ozone set by the Environmental Protection Agency (EPA) was 0.08 parts per ...

WASHINGTON (AP) -- The Environmental Protection Agency is setting a new health standard for lead to slash the amount of the toxic metal in the nation's air by 90 percent....

Wildfires can boost ozone pollution to levels that violate US health standards. A new study has found that California wildfires in 2007 tripled the number of ozone violations across a broad area.

A Michigan State University researcher is challenging health standards that consider nitrates and nitrites in food to be harmful. Norman Hord's research suggests that although there are negative ...

... of its all-time success stories, the Environmental Protection Agency announced Thursday that it plans to adopt a more stringent health standard for airborne lead to protect the nation's children.

Federal inspectors in charge of overseeing health standards at a Maple Leaf Foods processing plant at the centre of a deadly outbreak of listeriosis were doing their job properly, Federal Agriculture ...

... advise the EPA had actually recommended stricter health standards for ozone levels - from 60 to 70 ... levels over time have cumulative effects on respiratory health." The new study analyzed data from 448 ...