Jack McEvoy on July 1, 2022
- The Environmental Protection Agency (EPA) is pushing new regulations on atrazine, a popular and cheap herbicide, which farmers say could exacerbate food price inflation.
- “Placing severe limits on atrazine will have broad implications considering that atrazine is a key component in over 90 herbicide mixtures farmers rely upon,” Greg Krissek, CEO of Kansas Corn Growers Association, said in a statement.
- The target safety level for atrazine proposed in the new regulations is based on studies which the EPA’s own panel said were of poor design.
The Environmental Protection Agency (EPA) proposed cracking down on a widely used agricultural herbicide, sparking outrage from farmers who say the move could raise food prices and imperil farms around the country.
The EPA announced Thursday it was reopening the finalized reregistration for the chemical atrazine, claiming the Trump administration’s “previous decision was not adequately supported by science,” according to an agency memorandum.
“Based on this reevaluation, EPA determined that this level of regulation was not appropriate and is proposing, for public comment, additional mitigation to protect aquatic plant communities,” the memo stated.
The agency’s new proposal would overturn a 2020 Trump administration decision to set the CE-LOC for atrazine at 15 parts per billion (ppb) in aquatic ecosystems. CE-LOC stands for “aquatic ecosystem concentration equivalent level of concern,” which is the level at which EPA says “organisms are adversely affected” based on scientific studies.
EPA now wants to lower the CE-LOC to 3.4 parts per billion, which farmers say will hamper their ability to protect their crops from weeds and use modern farming practices.
“Placing severe limits on atrazine will have broad implications considering that atrazine is a key component in over 90 herbicide mixtures farmers rely upon,” Greg Krissek, CEO of Kansas Corn Growers Association, said in a statement.
Atrazine is the second-most prevalent herbicide used in the U.S., helping to protect roughly 75 million acres of cropland per year. Herbicides like atrazine save U.S. consumers between $4.3-6.2 billion per year by making it easier for farmers to produce more crops, AG Daily reported.
“We are disappointed by EPA’s decision,” Iowa farmer and National Corn Growers Association President Chris Edgington said in a statement. “We can feed and fuel the world and fight climate change, but we can’t do these things without modern farming tools, and atrazine is a tool that is critical to our work.”
The EPA’s clamp down on atrazine could exacerbate food price inflation; grocery store food purchases increased 11.9 percent from May 2021 to May 2022, with the prices of some food items up as much as 36% year-over-year.
“EPA is playing politics with this decision and should not adopt this ultra-low level of concern,” said Krissek.
Kissek also said the EPA is flouting the advice of its own science advisors.
In June 2012, the EPA’s Scientific Advisory Panel (SAP) warned the EPA its proposal to lower atrazine’s CE-LOC relied on low-quality studies that should be disregarded.
“[M]ost of the existing cosm studies with purported effects identified at atrazine concentrations less than 30 [parts per billion] have weaknesses in their design,” the panel found. “As of this date, there are no published data indicating that environmentally relevant concentrations of atrazine at or below 4 to 7 [parts per billion] cause mortality to invertebrates, fish or amphibians.”
However, environmental activists filed a lawsuit in the Ninth Circuit Court of Appeals in December 2021, granting the EPA a voluntary partial remand, which gave the agency the opportunity to reevaluate the decision to use 15 ppb as the level of regulation for aquatic plant communities.
The low-quality studies that EPA relied on supported atrazine’s low CE-LOC number (3.4ppb). The EPA ignored its own independent experts, relying on poor studies that attributed a far lower level of concern to the herbicide than the SAP studies found.
“The science hasn’t changed since 2020, when EPA set the level of concern at 15 parts per billion. Atrazine has been on the market for over 60 years. No herbicide has been studied more or has a longer safety record,” Krissek said.
The EPA referred TheDCNF to its statement issued at the time of the decision.
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