OnSite's indirect thermal desorption system heats contaminated materials in a rotating kiln, vaporizing the hydrocarbons. Vapors are removed from the kiln and re-condensed for reuse or further disposal. OnSite is a leading provider of industrial services in the hydrocarbon removal industry. OnSite provides an attractive, economical and safe alternative to bioremediation, incineration, land farming and injection. OnSite is a wholly owned subsidiary of Environmental Safeguards, Inc., which is traded on the American Stock Exchange under the symbol EVV.