<UPDATED> More H2S Exceedances at Liberty, Mon Valley Residents Report Stench
Editor’s Note: This blog was updated at 10:35 a.m. Feb. 23 to include an updated H2S chart. Users of CMU CreateLab’s crowd-sourcing app SmellPG reported the usual odors – saying the pungent air that seeped in through their windows last night and this morning was reminiscent of rotten eggs. Some said it was a strong sulfur smell. Others called it “industrial.” The possible culprit could be the elevated concentrations of hydrogen sulfide that have pervaded the Mon Valley Monday