This week, more than 80 agricultural groups filed formal objections to the Environmental Protection Agency’s Aug. 30 rule to revoke all tolerances of chlorpyrifos. Stakeholders, by law, can object to pesticide tolerance changes or cancellations, and the EPA Administrator must then respond.

The EPA on Aug. 18  announced the ban on the use of the pesticide chlorpyrifos on all food “to better protect human health, particularly that of children and farmworkers.”

In a final rule, EPA revoked all “tolerances” for chlorpyrifos, which establish an amount of a pesticide that is allowed on food. In addition, the agency will issue a Notice of Intent to Cancel under the Federal Insecticide, Fungicide, and Rodenticide Act to cancel registered food uses of chlorpyrifos associated with the revoked tolerances.

“Ending the use of chlorpyrifos on food will help to ensure children, farmworkers, and all people are protected from the potentially dangerous consequences of this pesticide,” said EPA Administrator Michael S. Regan. “After the delays and denials of the prior administration, EPA will follow the science and put health and safety first.”

Chlorpyrifos is an organophosphate insecticide used for a large variety of agricultural uses, including soybeans, fruit and nut trees, broccoli, cauliflower, and other row crops, as well as non-food uses. It has been found to inhibit an enzyme, which leads to neurotoxicity, and has also been associated with potential neurological effects in children.

In the coalition letter, objectors from across the agriculture sector cited numerous concerns with EPA’s revocation decision, including the processes EPA used and what they contend is a lack of scientific basis. EPA’s own scientific record on chlorpyrifos shows there are many safe, high-benefit uses of the chemistry that do not pose a dietary or environmental risk. Regardless, the agency is opting to revoke tolerances for these uses.

American Farm Bureau President Zippy Duvall called the EPA action shortsighted, saying, “Taking care of the land and our natural resources is a top priority for farmers, and this revocation rule actually makes it harder for us to do that. EPA veered from its own scientific evidence in a decision that could be damaging to the land, to farmers, and to our efforts to fight food insecurity.”

Additionally, EPA’s rule revokes tolerances on crop uses wher many growers have few or no pest management alternatives, leaving them exposed to hundreds of millions of dollars in irreparable crop damage, according to industry sources. The revocation rule would also require food holders to provide retroactively required application documents, which could result in the destruction of millions of dollars of food over a paperwork issue.

“It is upsetting that EPA has revoked such important chemistry without input from USDA or other stakeholders. Chlorpyrifos is critical to the Michigan and Wisconsin cherry industries, as there are no other products that effectively control trunk borers. With more than 4 million cherry trees, Michigan grows 75 percent of the total U.S. production of tart cherries and roughly 20 percent of the total U.S. production of sweet cherries. Without this product, our growers risk losing a lot of trees, potentially jeopardizing their family farms,” said Mike VanAgtmael, a west Michigan cherry grower and chairman of the Cherry Marketing Institute.

Kevin Scott, a soy grower from Valley Springs, SD, and American Soybean Association president said, “Chlorpyrifos is a vital tool in the soybean grower’s toolbox, one which EPA has itself said poses no food or environmental risk of concern. Without it, many farmers may have to increase the number of alternative pesticides they apply, as there are no one-to-one replacements for several pests chlorpyrifos helps control. EPA’s action — counterproductive to the agency’s intended mission — is undermining the ability of growers to be good environmental stewards.”

Dan Younggren, a fifth-generation farmer from Hallock, MN, and president of the American Sugarbeet Growers Association also expressed that concern and said, “The use of chlorpyrifos is essential in our ability to control the sugar beet root maggot, thereby maximizing yields and ensuring the stability of the U.S. food supply. Alternative chemistries, which are not as effective, will require more frequent applications and will increase GHG emissions. And, having one less chemistry in our Integrated Pest Management strategy could increase the likelihood of insecticide resistance. Without chlorpyrifos, we could experience significant yield losses of up to 45 percent, which would be economically devastating to our growers.”

EPA also has failed to conduct required interagency reviews pertaining to its decision on the rule, opponents said, which is required in this case because the rule could realistically lead to well over $100 million in additional costs to the food and agriculture economy. The EPA is required to conduct interagency reviews if harm could be found to total more than this threshold.

The groups ask EPA to postpone implementation of the rule until these objections can be formally considered and addressed by the agency.