In February, the Allegheny County Health Department announced compliance with federal air quality standards for the first time ever. But compliance with state hydrogen sulfide standards in the Mon ...
It’s just past 9 a.m. on Nov. 25, 2024, when the inaugural public notice goes live. The San Diego County Air Pollution Control District (SDAPCD) is issuing an odor advisory for communities potentially ...
The first readings Abigail Edgar took of hydrogen sulfide and methane at oilfields in Caldwell County in 2021 were so high that she thought her equipment was malfunctioning. “It was off the scales.