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Terms

TCE
Thermal oxidation (TO)

Thermal oxidation (TO)

Definition

Process used to destroy chemicals by reacting them with oxygen (oxidation) at high temperature for sufficient time to complete a reaction to yield carbon dioxide and water, and hydrochloric acid where CHCs are present in the gas stream. (TO forms part of the Botany GTP.)
See also: Chlorinated hydrocarbon (CHC), GTP
Time weighted average (TWA)

Time weighted average (TWA)

Definition

This term can be used to assess the exposure to a chemical when both the chemical concentration and time for exposure varies over time. It is usually averaged over eight hours, which is used as the standard daily work shift.
Trichloroethene (TCE)

Trichloroethene (TCE)

Definition

A commonly used degreaser that was manufactured in the former TCE plant at the BIP. The TCE plant shut down in 1973. TCE can also be formed in the aquifer by the degradation of PCE.
See also: Perchloroethylene (PCE)
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