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Scientists warn of toxic gas, Pele's hair as Hawaii's Kilauea begins 7th eruptive episode
"High levels of volcanic gas and strands of volcanic glass are among the hazards," the NPS warned. "Eruptive activity can ...
6 key takeaways from our investigation into poisonous H2S gas leaking from Texas oilfield sites
Poisonous hydrogen sulfide gas is well-known in the oil field for ... train their employees, put up warning signs and, in ...