Hydrogen sulfide
Hydrogen sulfide at Columbus Cellulose Fibers have risen 55% since 2012 (through 2024).
TRI facility · TRI 2024 reporting year
Columbus Cellulose Fibers
Total reported releases 1.8M lb fell modestly year over year (-10%). Total releases concentrations are roughly unchanged from 2010.
4335 CARSON RD, Columbus, Mississippi · 322110 · Paper · operated by International Paper Co
Anomaly engine
Notable Signals
N040
N040 releases at Columbus Cellulose Fibers fell from 31k lb to 0 lb (100% lower) between 2023 and 2024.
0007664939
0007664939 releases at Columbus Cellulose Fibers fell from 31k lb to 0 lb (100% lower) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Methanol
Methanol concentrations have fallen 12% since 2010.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations are up 45% since 2010.
Ammonia
Ammonia concentrations are roughly unchanged from 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations are up 55% since 2012.
Acetaldehyde
Acetaldehyde concentrations have more than doubled since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 30% since 2017.
Zinc compounds
Zinc compounds concentrations have fallen 11% since 2010.
Phenol
Phenol concentrations have more than doubled since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 801. Why we surface this →
41.9%
Low-income
81.3%
People of color
5.4%
Under age 5
10.9%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.