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jessiehannan
03-24-2009, 12:53 PM
http://www.chron.com/disp/story.mpl/chronicle/6335446.html

The U.S. Border Patrol plans to poison the plant life along a 1.1-mile stretch of the Rio Grande riverbank as soon as Wednesday to get rid of the hiding places used by smugglers, robbers and illegal immigrants.

If successful, the $2.1 million pilot project could later be duplicated along as many as 130 miles of river in the patrol’s Laredo Sector, as well as other parts of the U.S.-Mexico border.

Although Border Patrol and U.S. Environmental Protection Agency officials say the chemical is safe for animals, detractors say the experiment is reminiscent of the Vietnam War-era Agent Orange chemical program and raises questions about long-term effects.

“We don’t believe that is even moral,” said Jay Johnson-Castro Sr., executive director of the Rio Grande International Study Center, located at Laredo Community College, adjacent to the planned test area.

“It is unprecedented that they’d do it in a populated area,” he said of spraying the edge of the Rio Grande as it weaves between the cities of Laredo and Nuevo Laredo, Mexico.

Border Patrol agent Roque Sarinana said the pilot project aims to find the most efficient way to keep agents safer and better protect the nation’s border. “We are trying to improve our mobility and visibility up and down the river,” Sarinana said.

Criminals have grown adept at using the dense foliage to elude capture, he said.

“They can come over almost undetected,” he said.

Should the Border Patrol project prove efficient, cane removal could become part of its arsenal of tools that have been used along various parts of the U.S.-Mexico border, including walls, fencing and look-out towers.

Members of the Laredo City Council have raised concerns about the spraying program and called on Mexico President Felipe Calderon to intervene.

Mexican officials are raising concerns the herbicide could threaten the water supply for Nuevo Laredo.

A U.S. government outline of the project indicates the Border Patrol is going to test three methods to rid the 1.1-mile bank of river of carrizo cane, which has thick stalks that form tight, isolated trails that can be dark and all but invisible from higher up on the bank.

One method calls for the cane to be cut by hand and the stumps painted with the herbicide, Imazapyr.

Another involves using mechanical equipment to dig the cane out by the roots. It is unclear if herbicides would be necessary in this scenario.

The third and most controversial removal method calls for helicopters spraying Imazapyr directly on the cane — repeatedly — until all plant life in the area is poisoned.

The Border Patrol said that after using the herbicide, it plans to make the river’s edges green again by planting native plants.

Johnson-Castro said he has no issue with removing the cane, a non-native plant brought by the Spaniards centuries ago. The challenge, he said, is how it is done.

“We are saying it is one hell of a big deal,” he said.

Laredo Mayor Raul Salinas said he believes federal officials when they say testing shows the chemical is not dangerous, but that he also realizes opponents of the project have concerns to evaluate.

“It is a complicated situation because we have to think about protecting our border,” said Salinas, a retired FBI agent. “But let’s do it in a sensible, reasonable way to make sure humans won’t be harmed, nor the vegetation, nor the animals, nor the environment.”

dane.schiller@chron.com


Wow! I can't believe this. I seriously hope that they decided not to spray from the air. How many people with breathing difficulties and chemical sensitivites would be effected by it?

Justicedog
03-24-2009, 01:35 PM
Who owns the land bordering the Rio Grande? Are there residential areas next to it? Who would be breathing in the chemicals?

Indigo
03-24-2009, 01:41 PM
Wow this is a horrible idea, I would much rather have the illegals immigrants than the chemicals and miles of dead plants, this is a disgusting idea.

Justicedog
03-24-2009, 03:37 PM
I'd rather a bunch of dead plants than dead border agents.

JudyJudyJudy
03-24-2009, 03:59 PM
Who owns the land bordering the Rio Grande? Are there residential areas next to it? Who would be breathing in the chemicals?
Chemicals don't stay in one spot.

Sadalsuud
03-24-2009, 04:50 PM
Wow. As if enough people aren't suffering from the effects of Agent Orange (including yours truly).

Babyblue
03-24-2009, 05:59 PM
why cant they do a controled burn instead and then replant with the native plant life.

Justicedog
03-24-2009, 06:10 PM
Perhaps because it may grow back with a controlled burn.

It seems they're trying three things and seeing which works best.

jessiehannan
03-24-2009, 06:25 PM
why cant they do a controled burn instead and then replant with the native plant life.

We are under a drought right now. It's bad here.

JudyJudyJudy
03-24-2009, 06:52 PM
I'd rather a bunch of dead plants than dead border agents.
What about dead or sick citizens of both the US and Mexico from contaminated water or air?

lifeintheshwa
03-24-2009, 06:56 PM
This is really frightening. To think of the damage these pesticides will be doing for years on the wildlife, water and people living there (and wherever else it spreads!) is maddening.

JudyJudyJudy
03-24-2009, 07:03 PM
http://www.pesticide.org/imazapyr.pdf

Bleeding andcongested lungs were observed in rabbitsdermally exposed to imazapyr and in ratsinhaling Arsenal Railroad Applicators Con-centrate or Arsenal Herbicide ApplicatorsConcentrate.6,7,8Congestion of the kidney,liver, and intestine was also observed inlaboratory tests.

Imazapyr is “corrosive” to the eyes and“causes irreversible eye damage.”

Arsenal caused reddening, scaling, andcrusting of treated skin at all doses tested inrabbits dermally exposed over a 21 day period.

Oral administration of imazapyr to femalerabbits over a 12 day period caused stomachulcers and intestinal lesions at most dosestested.

In a review of imazapyr toxicity con-cluded in 1992, the U.S. Forest Service andtwo other federal agencies concluded that “thepotential for causing adverse effects on fertilityor reproduction has not been determined atthis time.”14This is the most recent publiclyavailable information. There are no publiclyavailable data regarding the reproductivehazards posed by imazapyr-containingproducts.

Like all broad spectrum herbicides,imazapyr efficiently kills most plants withwhich it comes in contact, even those notintended as targets of the herbicide. In addition to this acute toxicity to plants, a variety of other impacts have been reportedin nontarget plants exposed to imazapyr.These include hazards to endangered spe-cies, increased susceptibility to disease, anddisruption of nutrient cycling in soil.

Rare plants areparticularly at risk from herbicide exposurebecause the loss of a few individuals canhave significant consequences for a smallpopulation. EPA states that “a number ofterrestrial and aquatic plant species are listedas being at jeopardy from the use of herbi-cides and that “jeopardy will also occur fromthe used of Arsenal.”16The Fish and WildlifeService has identified 100 counties in 24 stateswhere endangered species could be at riskfrom forestry use of Arsenal. (See Figure 2for a map of these counties in the southeast-ern U.S.) No such analysis for western statesis publicly available.