UPDATE 1 - "All clear" after ethylene leak from Texas storage
* Leak at Mont Belvieu, key hub for natural gas liquids
* State highway closed for about an hour
* No exposures, no injuries, Targa Resources says
* Petrochemical companies use ethylene to make plastics
HOUSTON, Sept 19 (Reuters) - An ethylene leak, that temporarily closed a portion of a Texas highway near Houston, was "under control" late Monday morning, a Mont Belvieu police spokeswoman said.
The leak of the petroleum product, which is used to make plastics and other chemicals, occurred at the Targa Resources storage and shipment center in Mont Belvieu, Texas.
"They had some type of leak, but everything is under control," said the police spokeswoman, who identified the substance leaked as ethylene.
"There were no exposures, no injuries, and the road was closed purely as a precaution," a Targa spokesman said just after midday. "All clear." Continued...