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“Forever chemicals” in deer, fish challenge hunters and tourism

By Patrick Whittle

The Associated Press

PORTLAND, MAINE » Wildlife agencies in the U.S. are finding elevated levels of a class of toxic chemicals in game animals such as deer — and that’s prompting health advisories in some places where hunting and fishing are ways of life and key pieces of the economy.

Authorities have detected the high levels of PFAS, or per- and polyfluoroalkyl substances, in deer in several states, including Michigan and Maine, where legions of hunters seek to bag a buck every fall. Sometimes called “forever chemicals” for their persistence in the environment, PFAS are industrial compounds used in numerous products, such as nonstick cookware and clothing.

The U.S. Environmental Protection Agency launched an effort last year to limit pollution from the chemicals, which are linked to health problems including cancer and low birth weight.

But discovery of the chemicals in wild animals hunted for sport and food represents a new challenge that some states have started to confront by issuing “do not eat” advisories for deer and fish and expanding testing for PFAS in them.

“The fact there is an additional threat to the wildlife — the game that people are going out to hunt and fish — is a threat to those industries, and how people think about hunting and fishing,” said Jennifer Hill, associate director of the Great Lakes Regional Center for the National Wildlife Federation.

PFAS chemicals are an increasing focus of public health and environmental agencies, in part because they don’t degrade or do so slowly in the environment and can remain in a person’s bloodstream for life.

The chemicals get into the environment through production of consumer goods and waste. They also have been used in firefighting foam and in agriculture. PFAS-tainted sewage sludge has long been applied to fields as fertilizer and compost.

In Maine, where the chemicals were detected in well water at hundreds of times the federal health advisory level, legislators passed a law in 2021 requiring manufacturers to report their use of the chemicals and to phase them out by 2030. Environmental health advocates have said Maine’s law could be a model for other states, some working on their own PFAS legislation.

California Gov. Gavin Newsom, a Democrat, signed a bill in September that bans the chemicals from cosmetics sold in the state. And more than 20 states have proposed or adopted limits for PFAS in drinking water, according to the National Conference of State Legislatures.

More testing likely will find the chemicals are present in other game animals besides deer, such as wild turkeys and fish, said David Trahan, executive director of the Sportsman’s Alliance of Maine, a hunting and outdoors advocacy group.

The discovery could have a negative impact on outdoor tourism in the short term, Trahan said. “If people are unwilling to hunt and fish, how are we going to manage those species?” he said.

Maine was one of the first states to detect PFAS in deer. The state issued a “do not eat” advisory last year for deer harvested in the Fairfield area, about 80 miles north of Portland, after several of the animals tested positive for elevated levels. The state is now expanding the testing to more animals across a wider area, said Nate Webb, wildlife division director at the Maine Department of Inland Fisheries and Wildlife.

Wisconsin has tested deer, ducks and geese for PFAS, and as a result issued a “do not eat” advisory for deer liver around Marinette, about 55 miles north of Green Bay. The state also asked fishermen to reduce consumption of Lake Superior’s popular rainbow smelt to one meal per month.

Some chemicals, including PFAS, can accumulate in the liver over time because the organ filters the chemicals from the blood, Wisconsin’s natural resources department told hunters. New Hampshire authorities also issued an advisory to avoid consuming deer liver.

Michigan was the first state to assess PFAS in deer, said Tammy Newcomb, senior executive assistant director for the Michigan Department of Natural Resources. The state issued its first “do not eat” advisory in 2018 for deer taken in and near Oscoda Township. Michigan has since issued an advisory against eating organs, such as liver and kidneys, from deer, fish or any other wild game anywhere in the state. It also studied waterfowl throughout the state in areas of PFAS surface water contamination.

The state’s expanded testing also has proven beneficial because it helped authorities find out which areas don’t have a PFAS problem, Newcomb said.

“People like to throw up their arms and say we can’t do anything about it. I like to point to our results and say that’s not true,” Newcomb said. “Finding PFAS as a contaminant of concern has been the exception and not the rule.”

The chemical also has been found in shellfish that are collected recreationally and commercially. Scientists from the Florida International University Institute of Environment sampled more than 150 oysters from around the state and detected PFAS in every one, according to a study in August.

 

 

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