total hydrocarbons
1total hydrocarbons — (THC) A measurement of all the hydrocarbons emitted by the exhaust system …
2Total petroleum hydrocarbon — (TPH) is a term used to denote a large family of several hundred chemical compounds that originally come from crude oil. Crude oil is used to make petroleum products which can contaminate the environment. Because there are so many different… …
3Extractable petroleum hydrocarbons — (EPH) are the solvent extractable portion of the Total Peteroleum Hydrocarbon (TPH) range.ources* [http://www.aehs.com/publications/catalog/contents/tph.htm TPH working group] …
4Refinery input, total — The raw materials and intermediate materials processed at refineries to produce finished petroleum products. They include crude oil, products of natural gas processing plants, unfinished oils, other hydrocarbons and oxygenates, motor gasoline… …
5THC — Total HydroCarbons (Academic & Science » Electronics) ** Thermohaline Circulation (Academic & Science » Ocean Science) ** Texas Historical Commission (Governmental » State & Local) * Tenet Healthcare Corporation (Business » NYSE Symbols) *… …
6Catalytic converter — A catalytic converter (colloquially, cat or catcon ) is a device used to reduce the toxicity of emissions from an internal combustion engine. First widely introduced on series production automobiles in the US market for the 1975 model year to… …
7Diesel fuel — Diesel oil redirects here. Sometimes diesel oil is used to mean lubricating oil for diesel engines. Diesel fuel (  / …
8United States emission standards — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Contents 1 Motor vehicles 1.1 Light duty vehicles 1.1.1 Phase 1 1994 1999 …
9hydrocarbon — (HC) A compound made up of hydrogen and carbon (e.g., gasoline, petroleum products, etc.). Hydrocarbons are also found when gasoline is burned in an engine and thus produce visible smog even though hydrocarbons make up only 0.1% of emissions.… …
10US emission standard — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Motor vehicles Due to its pre existing standards and particularly severe… …
