Fri, Nov 27 2009
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Published March 18, 2008 10:30 pm - MIAMI, Okla. — Representatives from the Oklahoma Department of Environmental Quality reported Tuesday night on findings of a new study that carries cautions about the consumption of fish caught in the Tar Creek area. Study carries some restrictions for fish caught in Tar Creek area By Debbie Robinson news@joplinglobe.com MIAMI, Okla. — Representatives from the Oklahoma Department of Environmental Quality reported Tuesday night on findings of a new study that carries cautions about the consumption of fish caught in the Tar Creek area. About a half-dozen people attended the public meeting in the Miami High School cafeteria. Elevated levels of lead, zinc and cadmium were found in fish caught in former mine mill ponds in the Picher-Cardin area, in the Spring and Neosho rivers downstream from the area, in Grand Lake, and in the Grand-Neosho River below Pensacola Dam. The Tar Creek area is a designated Environmental Protection Area Superfund site because of pollution associated with its lead- and zinc-mining history. Residents of the Tar Creek area already “have a higher exposure level to lead than nonresidents do” said Jay Wright, environmental program director. Wright said the lead, zinc and cadmium are known to collect in the bones and organs of fish, so the study included various preparation methods including carcass, skin-on fillets and paddlefish eggs. “Our take-home message we want to leave is, if you want to reduce your exposure to metals in fish, you should be eating boneless, skinless fillets,” Wright said. Paddlefish and eggs, and catfish showed barely detectable levels of lead, Wright said, so recommendations on consumption levels generally are unrestricted. Other fish that were studied included nongame fish, such as carp, freshwater drum, redhorse sucker and smallmouth buffalo; bluegill sunfish and green sunfish; and game fish, including white bass, largemouth bass, spotted bass, black crappie and white crappie. There is a local custom of grinding fish, bones included, and making fish patties or canning the fish. The practice is not recommended, said Monty Elder, emergency response coordinator. The study’s restrictions were based on healthy eating for small children, who are more at risk for serious health problems if they are exposed to lead. “We made an assumption that a safe level for a child to consume is a safe level for adults,” Wright said. An example of the advisories includes consumption of nongame fish in Grand Lake, and the Spring and Neosho rivers. The advisory recommends a maximum of three meals per month of preparations with bones, or nine meals a month of boneless fillets for fish caught in Spring River. 
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