imazapyr

For nearly a year, residents on both sides of the Rio Grande have protested the plan because of concerns about the long-term effects of the herbicide-known as imazapyr-on the environment and the region's sole water source.

The Texas Observer: In the Current Issue 2009

As well, imazapyr stays in the soil for at least two years.

AboutMyPlanet.com 2009

Studies on the effects of imazapyr to macroinvertebrate communities did not yield effects. 4 This chemical is not expected to have impacts to salmon species.

South Texas Chisme 2009

The U.S. Environmental Protection Agency said there is "reasonable certainty of no harm from aggregate exposure to imazapyr residues."

CNN.com 2009

Army Corps of Engineers settled on imazapyr for the test project, Prichard said.

CNN.com 2009

The EPA reports that the half-life of imazapyr is 17 months. 3 If applied to soil, imazapyr is expected to have very high mobility and thus is likely to contaminate water.

South Texas Chisme 2009

Studies have detected imazapyr in surface as well as groundwater.

TreeHugger 2009

If applied to soil, imazapyr is expected to have very high mobility and thus is likely to contaminate water.

TreeHugger 2009

Studies have detected imazapyr in surface as well as groundwater.

South Texas Chisme 2009

Johnson-Castro of the Rio Grande International Study Center said the concerns of Nuevo Laredo citizens are warranted because the effects of such widespread use of imazapyr are unclear.

CNN.com 2009