Gerald Wojtala, director of the International Food Protection Training Institute, acknowledged that nosing around seafood may sound silly, but said it's a time-proven technique.
"The human nose has been used on a lot of (oil) spill response," Wojtala said. "There are a lot of sophisticated tests, but when you think about it, do you want to run a test that takes seven days and costs thousands of dollars?
"This saves a lot of time and money," he added, "and it puts more eyes and noses at different points in the system."
Still, Wojtala said, nothing is fail-safe. Even without an oil spill, people sometimes get sick from tainted seafood, or suffer illnesses from contamination in red meat such as E. coli.
"It's safe to say there is no 100-percent guarantee," he said. "There's never a 100-percent guarantee. We can only be as safe as we can be."
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