Just one week before this announcement, NOAA Chief admitted oysters metabolize hydrocarbons the "slowest"
Mississippi oysters safe to eat, experts say, CNN, August 26, 2010
Federal and state experts have declared Mississippi oysters safe to eat after the oil spill that gushed for months in the Gulf of Mexico. ...
The [Department of Marine Resources] conducted the tests with the state Department of Environmental Quality, the National Oceanic and Atmospheric Administration (NOAA), and the U.S. Food and Drug Administration.
Aug. 18 briefing on BP's oil leak (Transcript), Dr. Jane Lubchenco, NOAA Administrator, August 18, 2010:
Hydrocarbons can be metabolized.. by shrimp and crabs more slowly [than by fin fish] and by shellfish, such as oysters, the slowest.
'CSI' for seafood: Gulf fish gets safety tests, AP, August 16, 2010:
"I probably would put oysters at the top of the concern list and I don't think there's a close second," said marine scientist George Crozier, who directs the Dauphin Island Sea Lab in Alabama. ...
Oysters are probably the best absorbers of oil, as they take in droplets and dissolved oil, said Carys Mitchelmore, an aquatic toxicologist at the University of Maryland Center for Environmental Science.
Most oyster testing is just beginning, so stay tuned.
Marine scientist: Gulf fish 'absolutely safe' to eat now, Press Register, August 20, 2010:
[I]t’s best to pass on any locally harvested crabs and oysters for now, says one of the best-known marine scientists on the Alabama coast.
[Dauphin Island Sea Lab in Alabama director George] Crozier did offer immediate caution about oysters... “The oysters are problematic throughout the region because they are filter feeders,” Crozier said.