Hydrogen sulfide readings at New-Indy Catawba and in the surrounding community have been zero or negligible for more than two years.
The 24-hour averages for hydrogen sulfide recorded in parts per billion (ppb) in May were minimal – more than 40 times below the 14-day exposure limit (70 ppb) set by the Environmental Protection Agency and the Agency for Toxic Substances and Disease Registry.
New-Indy Catawba has been monitoring hydrogen sulfide at the mill and in the community since May 2021. Daily reports are generated by monitors and are posted on www.newindycatawba.com.
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