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Mon Valley Experiences Another H2S Exceedance Tuesday at Liberty Air Quality Monitor

Updated: Sep 13, 2022


The average concentration yesterday was 0.006 ppm, according to preliminary health department data. The state 24-hour standard is 0.005 ppm.


The Tuesday H2S exceedance was fifth so far this month at the Liberty monitor.

#H2S #H2Sexceedance #hydrogensulfide #AlleghenyCountyHealthDepartment #ACHD #airquality

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