Recently in a school in California a foul mist drifted onto the playground from the adjacent orange groves and a couple of children collapsed in spasms, vomiting on the blacktop.
Apparently hundreds of school children in many agricultural states have been exposed to farm chemicals, leading to sickness, brain damage and birth defects.
AdvertisementThough there are no federal laws specifically against spraying near schools, and advocates say California and the seven other states that have laws or policies creating buffer zones around schools to protect them from pesticides don't do enough to enforce them.
"The regulations are inadequate. In the vast majority of cases, people who didn't follow the laws received at best a $400 fine," said Margaret Reeves, a scientist with the Pesticide Action Network, a nonprofit organization based in San Francisco.
The pesticide industry says it is committed to safety, and regulators say they are doing their best to enforce the laws.
"Everyone wants to protect children," said California Department of Pesticide Regulation spokesman Glenn Brank. He said his agency is doing what it can to enforce the law with a shortage of agricultural inspectors.
In the case of the incident reported earlier, county agricultural inspectors never swabbed the jungle gym or took grass samples, making it impossible to establish whether pesticide had, in fact, drifted onto the playground.
The Environmental Protection Agency does not keep comprehensive national figures on students and teachers sickened by drifting pesticide.
In California, the No. 1 farm state and the one with the best records, there were 590 pesticide-related illnesses at schools from 1996 to 2005. More than a third of those were due to pesticide drift, the figures show. Activists say that those numbers are low and that many cases are never even reported.
In California's long, flat interior, spraying season lasts seven months, from March through September. When citrus trees blossom and grapevines climb trellises, parents despair that their children do not come home with her eyes watering and head pounding, unable to breathe.
As suburbs push close to farmland, the rate of pesticide poisoning among children nationwide has risen in recent years, according to a 2005 study in the Journal of the American Medical Association. The study found that 40 percent of all children sickened by pesticides at school were victims of drift pesticide carried on the breeze.
Research on pregnant women exposed to common pesticides has suggested higher rates of premature birth, and poor neurological development and smaller head circumferences among their babies.
The effects on children of small, repeated exposures over a long period of time are unclear, said University of California, Berkeley epidemiologist Brenda Eskenazi.
But acute pesticide poisoning can cause nausea, blurred vision, an abnormally fast heart rate, paralysis and death.
Chrissy Garavito, a 15-year-old high school sophomore, died in Fontana in 1997 of a heart rhythm disturbance her mother believes was triggered by exposure to chemicals sprayed at the school. Authorities never confirmed that pesticides contributed to her death.
In 2001, pesticide poisoning nearly killed Elena Dominguez, then a sixth-grader in Wenatchee, Wash.
One day, after playing Frisbee during gym class across the street from an apple orchard, she passed out at her desk.
Emergency room doctors dismissed Elena's abnormally fast heart rate as a symptom of dehydration, gave her intravenous fluids and sent her home. Three weeks later, it happened again.
"I was at a track meet and all of a sudden I felt really, really tired," said Elena, now 18. "I made it to the finish line and just fell over."
Investigators found her clothes were soaked in the pesticide Endosulfan I; it had been picked up from residue on the grass and absorbed into her bloodstream through her skin. Officials later found five other pesticides on school grounds and fined the apple grower for forging his applicator's license.
Two years ago, 600 students and staff members were evacuated from an Edinburg, Texas, elementary school after pesticides drifted from a cotton field into the school's air conditioning system. Thirty-nine people developed nausea and headaches.
EPA officials say they have no real idea how often pesticides waft onto school grounds. The EPA must register pesticides before they are sold, but federal law does not restrict where they can be sprayed.
Once the EPA approves a product, federal law requires manufacturers to report any "unreasonable adverse effects on the environment of the pesticide" that their products cause. Activists say industry is essentially allowed to police itself.
CropLife America, a national organization representing suppliers of farm pesticides, said their use near schools is well-regulated.
"We're really committed to public safety," said spokeswoman Donna Uchida. "Any kind of use of a pesticide has a labeling requirement that is imposed to protect human health and the environment."
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