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Hydrogen sulfide — a gas with a distinctive smell — is a dangerous chemical.
The gas has killed 10 workers in Texas and back in the 1970s, it killed an entire family.
In a state dominated by the energy industry, hydrogen sulfide is found everywhere from oil & gas well to refineries. StateImpact reporter Dave Fehling found why there is more concern than ever about the deadly gas.
Read the full story at StateImpact Texas.