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As a throat sterilant we had 10-year-old Ardbeg scotch.

“It’s hot as hell in there, and alkali is a powerful sterilant at temperature,” Wilson says.

Dr. Schattner formed a company to produce and sell the product, and by 1990 he controlled as much as 25 percent of what was called the “cold sterilant” market.

A chemical sterilant, on the other hand, could be combined with a bait substance and introduced into the natural environment of the fly; insects feeding on it would become sterile and in the course of time the sterile flies would predominate and the insects would breed themselves out of existence.

In addition to culturing and gas sterilization, the FDA recommended a liquid chemical sterilant or repeating the current protocol of high-level disinfection.