In 2007, BASF spokesman Joel Vollmer told the press his company's imazapyr product was widely used in wildlife refuges across the US and along the Pecos River and its tributaries to control salt cedar, another troublesome, invasive plant species afflicting the U.S. Southwest. ❋ Unknown (2009)
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. ❋ Unknown (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. ❋ Unknown (2009)
A report on the chemical's history developed for the non-governmental group Alaska Community Action on Toxics said evidence existed that identified imazapyr as a contaminant of soil, groundwater and surface water. ❋ Unknown (2009)
U.S. officials say the herbicide imazapyr (i-MAZ'-uh-peer) does not harm people or animals, but Mexican officials want to do their own review. ❋ Unknown (2009)
In addition to aerial spraying of the herbicide imazapyr, the Border Patrol will employ hand-cutting and mechanical methods that involve applying the killer chemical at ground-level, ❋ Unknown (2009)
Studies have detected imazapyr in surface as well as groundwater. ❋ Unknown (2009)
"We're just looking for a particular chemical (imazapyr) that we know was used in this case," she said. ❋ Unknown (2009)
Army Corps of Engineers settled on imazapyr for the test project, Prichard said. ❋ Unknown (2009)
A fact sheet prepared by the Washington State Department of Agriculture reported imazapyr was ❋ Unknown (2009)
The U.S. Environmental Protection Agency said there is "reasonable certainty of no harm from aggregate exposure to imazapyr residues." ❋ Unknown (2009)
Public controversies over imazapyr applications have previously erupted in Alaska, California and Colombia, where experimental use of the herbicide to control illegal coca plantings was approved in 2000. ❋ Unknown (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. ❋ Unknown (2009)
As well, imazapyr stays in the soil for at least two years. ❋ Unknown (2009)
If applied to soil, imazapyr is expected to have very high mobility and thus is likely to contaminate water. ❋ Unknown (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. ❋ Unknown (2009)
