http://www.yourhoustonnews.com/courier/news/article_68b42484-a305-5568-b146-0bc146a233f1.html-snip-
The man found outside the building was in stable condition, while the other man had burns and lacerations, Sims said.
While Sims said there was no indication what caused the explosion, one of the lithium batteries was located at one end of a pipe.
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Conroe’s HazMat unit was dispatched to the scene, and the Conroe Police Department cordoned off an area around the plant to control any traffic.
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According to Sims, the owner of the building is Pro Directional LTD. The company was established in 2001 to provide the oil and gas drilling industry a leading, independently owned directional services company.
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the explosion also broke a water pipe