to 70 ppb. According to the EPA, by 2025, the new ozone standard will provide annual benefits of between $2.9 billion and $5.9 billion, at an annual cost of only $1.4 billion. One can almost hear ...

The 75 ppb level was set in 2008 and the agency is supposed to reevaluate this limit every five years and EPA administrator Gina McCarthy said in a statement that a lower level will bring the ...

EPA is weighing whether to implement its recent decision, announced June 30, to change the current level of concern (LOC) standard for atrazine from 15 parts per billion (ppb) to an LOC of 3.4 ...

In October, the Natural Resource Defense Council released a report sounding the alarm on the staggering levels of lead in drinking ... and the 57 ppb found in Newark, where EPA took emergency ...