Today, the U.S. Chemical Safety and Hazard Investigation Board (CSB; Washington, D.C.; released a second update on its ongoing investigation ...

Hydrogen sulfide readings are measured by parts per ... An odor advisory will be sent to the public with safety recommendations, including staying indoors, closing windows and using air purifiers.

Although onsen guests are protected by Environment Ministry standards on bathroom hydrogen sulfide concentrations and ventilation, there are no specific safety rules for hot spring workers.

GAS RELEASE: U.S. Chemical Safety Board launches investigation following deadly Deer Park hydrogen sulfide leak The U.S.

Ammonia and hydrogen sulfide releases also can contaminate air ... Center for Biological Diversity, Center for Food Safety, Don’t Waste Arizona, Environmental Integrity Project, Food & Water Watch, ...