1.   These include ethylene and propylene and ethylene oxide,, butadiene and butanes and other gasoline products like petrol.

2.   The far slower gas-based systems, most of which use ethylene oxide, take a day or more to sanitize mail.

3.   Williams worries that some chemicals sprayed on fruit, including ethylene oxide, may also be suspect.

4.   Fumigants such as methyl bromide, hydrogen cyanide, ethylene dibromide, ethylene oxide, propylene oxide and phosphine gas come in liquid or gaseous states.

5.   However, heat treatment can destroy the flavour of certain foodstuff like spices while ethylene oxide is an ozone depleter.

6.   It will manufacture a broad range of specialty and intermediate products including ethylene oxide, butyl glycol ethers, ethanolamines, surfactants and butanol.

7.   The chemicals released -- methyl chloride, vinyl chloride and ethylene oxide -- could potentially cause cancer in people exposed to them, EPA spokesman James Entzminger said.