Ammonia gas leaked from a refrigeration plant in Xiamen’s mainland Xiang’an District last week.
The leak occurred when the workers were replacing a liquid ammonia gas cylinder supplying refrigeration equipment.
All the workers and villagers in the surrounding area were evacuated. A group of fire-fighters wearing gas masks went into the plant, found the source of the leak and sealed it successfully about an hour later.
No casualties have been reported, the police said, with the exception of the sweet potato crops in the vicinity of the refrigeration plant which severely wilted.
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