Brenham officials lifted a shelter-in-place order after drilling releases hydrogen sulfide and oil near Oil Field Road.

Fifty years after a fatal H2S leak in Denver City, experts urge stronger oil and gas safety to prevent more deaths.

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Monitors for hydrogen sulfide, an invisible gas found in some oil reserves, were not working when Jacob Dean responded to an alarm to check a pump. Dean was exposed to fatal levels of the gas.

FUKUSHIMA—The recent deaths of three hotel workers in the mountains here underscored the dangers of hydrogen sulfide poisoning among people who manage hot spring sources. Although onsen guests ...