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California To Ban Pesticide It Says Hurts Babies' Brains

Wednesday, May 8, 2019 | Sacramento, CA | Permalink
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Courtesy of the Almond Board of California
 

Courtesy of the Almond Board of California

Updated May 9

Brian Melley, Associated Press

California moved Wednesday to ban a controversial pesticide widely used to control a range of insects but blamed for harming brain development in babies.

The move cheered by environmentalists would outlaw chlorpyrifos after scientists deemed it a toxic air contaminant and discovered it to be more dangerous than previously thought. California Environmental Secretary Jared Blumenfeld said it's the first time the state has sought to ban a pesticide and the move was overdue.

"This pesticide is a neurotoxin, and it was first put on the market in 1965," Blumenfeld said. "So it's been on the shelf a long time, and it's past its sell-by date."

The decision comes as California lawmakers have been debating a bill that would ban it.

Regulators in several states have taken steps in recent years to restrict the pesticide used on about 60 different crops in California, including grapes, almonds and oranges. Hawaii banned it last year, and New York lawmakers recently sent a measure to the governor outlawing use of the pesticide.

DowDuPont, which produces the pesticide, said it was disappointed with the decision and that farmers who rely on the pesticide say it will hurt their ability to control insects.

"There will be trade-offs from cancellation of any pesticide," said Jamie Johansson, president of the California Farm Bureau Federation. "Food may become more expensive, and California-grown food less plentiful. That would leave our state’s residents dependent on food grown elsewhere — and not grown under the stringent rules California farmers follow."

Commercial growers say they rely on the chemical to control insects, and fear the possibility of increased costs to protect their crops.

"[Chlorpyrifos] is a very important part of the crop protection tool box," said Casey Creamer, president of California Citrus Mutual, which represents 5,000 growers. "We're fighting for our lives here trying to protect ourselves from deadly diseases, and we keep losing tools."

Creamer questioned the scientific studies behind the decision and said removing the pesticide could hurt efforts to prevent a pest like the Asian citrus psyllid from decimating the citrus industry in California like it did in much of Florida. The pest infects citrus trees with a fatal disease.

Blumenfeld said California took action in part because the federal government allowed the pesticide to be used after the Obama administration tried to phase it out.

The U.S. Environmental Protection Agency under President Donald Trump reversed that effort after reevaluating the science. Environmental groups and farmworkers challenged that decision, and a federal appeals court last month ordered the EPA to decide by July whether to ban the pesticide.

"This is a historic victory for California's agricultural communities and for children nationwide," said Miriam Rotkin-Ellman of the Natural Resources Defense Council. "The science clearly shows that chlorpyrifos is too dangerous to use in our fields. Since California uses more chlorpyrifos than any other state, this ban will not only protect kids who live here, but kids who eat the fruits and veggies grown here."

The pesticide is in a class of organophosphates chemically similar to a nerve gas developed by Nazi Germany before World War II. Its heavy use has often left traces in drinking water sources. A 2012 study by the University of California, Berkeley, found that 87% of umbilical-cord blood samples tested from newborn babies contained detectable levels of the pesticide.

Dr. Gina Solomon, a medical professor at the University of California, San Francisco, and former deputy secretary of Cal-EPA, said chlorpyrifos is unusual in that it's one of the best understood pesticides because it's been so extensively studied.

"We know a lot about what it does to developing children, and that science is the bedrock of the action that Cal-EPA is announcing," she said. "Many pesticides have been studied well in lab rats, but in this case, we actually know what it does to people."

Studies in cities where the pesticide was once used to kill cockroaches before it was banned for indoor use in 2000 and in rural farmworker communities showed it harmed brain development in fetuses and affected reading ability, IQ and led to hyperactivity in children, Solomon said. Even head sizes were smaller in children whose mothers were exposed to the pesticide.

Medha Chandra of Pesticide Action Network says California's move to ban chlorpyrifos was long overdue. 

"We are happy that this step was taken," she said. "We just hope that the cancellation process moves rapidly and [that it's] comprehensive."

The ban could go into effect in California in as little as six months. But if the insecticide manufacturer appeals the decision, the process could take two years, according to Charlotte Fadipe with the California Department of Pesticide Regulation.

California has taken steps in recent years to restrict the use of chlorpyrifos. Use of the pesticide has been reduced by more than half in California since 2005, to just under 1 million pounds used on crops in 2016, according to CDPR.

But a recent study by UCLA law professor Tim Malloy and researchers at the University of Southern California found that local county commissioners, growers and pesticide specialists weren't doing enough to find safer alternatives.  

Malloy says farmworkers will definitely be in a better place without the use of chlorpyrifos.

"But the question for them will be, what will the alternative be?" he said. "You worry, whenever a chemical gets banned, that the thing that replaces it could be as bad or worse."

He points out that Gov. Gavin Newsom's administration is proposing nearly $6 million for further research into alternatives.

While most environmental groups applauded the announcement, Earthjustice said it would continue pushing legislation to ban the chemical because it questions whether the Department of Pesticide Regulation will follow through.

"It's been like pulling teeth to force DPR to begin the cancellation process for chlorpyrifos," said Greg Loarie, an Earthjustice attorney. "Until we know that chlorpyrifos is gone for good, we are going to keep pushing as hard as we can in as many places as we can."

In April, the 9th U.S. Circuit Court of Appeals gave the EPA 90 days to justify why chlorpyrifos should remain on the market.

CapRadio's Julia Mitric contributed to this report

    Related Stories

  • Gosia Wozniacka / AP

    EPA Defends Pesticide Linked To Brain Damage In Children

    Thursday, July 18, 2019
    (AP) — The Environmental Protection Agency rejected a key legal challenge to chlorpyrifos, a pesticide linked to brain damage in children, saying environmental groups had failed to prove that a ban was warranted.
  • Gosia Wozniacka / AP

    Court: EPA Has 90 Days To Justify Use Of Dangerous Pesticide

    Friday, April 19, 2019
    A federal appeals court has given the Environmental Protection Agency 90 days to justify why a widely used but dangerous pesticide should stay on the market.
  • Art Siegel / Flickr

    Are Agriculture Officials In California Considering Safer Alternatives For Pesticides? A New Study Say No.

    Thursday, March 21, 2019
    Growers who want to apply restricted pesticides must get a permit from a county agricultural commissioner. Those officials are required to consider safer alternatives. But that’s not happening, according to a new study from UCLA researchers.
  • Sally Schilling / Capitol Public Radio

    Court Orders Ban On Harmful Pesticide, Says EPA Violated Law

    Thursday, August 9, 2018
    A federal appeals court ruled Thursday that the Trump administration endangered public health by keeping a widely used pesticide on the market despite extensive scientific evidence that even tiny levels of exposure can harm babies' brains.

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