Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . Total U.S. estimated use of TCE exceeded 200 million pounds in 1990. All 200 million pounds entered the general environment sooner or later. When it gets loose, TCE has a strong tendency to enter the atmosphere. In other words, the whole atmosphere is contaminated with TCE at low concentrations.