article_snippet.sent: Authorities said initial tests suggested there had been no leaks from a Chinese chemical plant  that produces a toxic chemical's three tanks of burning hydrocarbon liquids and no signs of contamination of the environment following the blast at Goure PX Plant in Zhangzhou, Fujian province — the second explosion to hit the factory in 20 months.
article_snippet.sent: Environmental officials are monitoring the surrounding area for signs of contamination .
article_snippet.sent: Officials said initial tests suggested there had been no contamination of the surrounding enivronment .
article_snippet.sent: Environmental protection authorities have dispatched more than 50 personnel to monitor the situation.