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Tag: hydrogen sulfide

Weekend Sees Yet Another H2S Exceedance for Mon Valley

Abysmal Air Quality Returns to Mon Valley as Three More H2S Exceedances Noted

<UPDATED> Abysmal Air Quality Continues in the Mon Valley

<UPDATED> Allegheny County Health Department Issues Mon Valley Air Pollution Warning as Concentrations of Fine Particle Pollution, Hydrogen-Sulfide Exceed Health, Regulatory Limits

Mon Valley Sees 55th H2S Exceedance, Liberty-Clairton Air Quality Again Worst in Nation Friday Morning

GASP to Health Officials: You Have a Responsibility to Residents to Do More About Mon Valley Stench, Communicate What’s Being Done to Protect Public

Liberty Air Quality Monitor Experiences Malfunction; GASP, ACHD Provide Answers

UPDATED: Mon Valley Experiences Another Air Quality Exceedance, GASP Asks Allegheny County Health Department for Response, Analysis

UPDATED: Rotten Egg Stench Persists in Mon Valley as Liberty Experiences More Air Quality Exceedances

More Rotten Egg Stench in Mon Valley as Braddock Monitor Experiences 13th Hydrogen Sulfide Exceedance of 2021

Mon Valley Experiences More Malodors, Liberty Monitor Again Exceeds PA Air Quality Standard

Mon Valley Stench Returns, GASP Again Calls on ACHD for Public Update

Public Comment Period for Allegheny County Health Department’s Annual Air Monitoring Plan Closes Monday

PETITION | EPA: It’s Been Nearly 4 Years, Public Deserves Transparency, Action Regarding Emissions Issues at U.S. Steel’s Edgar Thomson Plant

UPDATED: This Week Stinks in the Mon Valley (Literally): Sky-High H2S Concentrations Cause Air Quality Exceedances at Liberty, North Braddock

More Air Quality Exceedances for Mon Valley, Allegheny County on Pace to Exceed 2017 H2S Numbers

UPDATED: With Air Quality Exceedances Mounting, GASP Again Calls on ACHD to Update Public on Mon Valley Stench, H2S Violations

More Unhealthy Air Quality, Exceedances Pervade Mon Valley – Update on H2S Problem Needed

Watchdog Report: Another Weekend, Another Pair of Air Quality Exceedances for Mon Valley

Liberty-Clairton Area Dealt More Unhealthy Air Quality, More H2S Exceedances

Mon Valley Experiences Multi-Day Bad-Air Episode, Two More Air Quality Exceedances

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