TRI facility · TRI 2024 reporting year

Eco-Services Operations

Total reported releases 18k lb fell modestly year over year (-6%). Total releases concentrations have more than doubled since 2010.

2000 MICHIGAN ST, Hammond, Indiana · 325180 · Chemicals · operated by Ecovyst INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 18k.22k'10'12'14'16'18'20'22'2418k
Anomaly engine

Notable Signals

No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS 7664-93-9

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

17k lb · -9% YoY

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than doubled since 2010.

RESPIRATORYCAS 7647-01-0

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

1k lb · +39% YoY

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 20% since 2010.

CARCINOGENCAS 123-91-1

1,4-Dioxane

298 lb · +4% YoY

1,4-Dioxane concentrations have more than doubled since 2020.

GENERALCAS 7697-37-2

Nitric acid

110 lb · +17% YoY

Nitric acid concentrations have more than doubled since 2010.

RESPIRATORYCAS 108-31-6

Maleic anhydride

12 lb · -18% YoY

Maleic anhydride concentrations have more than doubled since 2014.

PBTCAS N458

Mercury And Mercury Compounds

1 lb · -67% YoY

Mercury And Mercury Compounds concentrations have more than halved since 2010.

RESPIRATORYCAS 84-74-2

Dibutyl phthalate

0 lb · -69% YoY

Dibutyl phthalate volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

PBTCAS N150

Dioxin and dioxin-like compounds

0 lb · 0% YoY

Dioxin and dioxin-like compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (83 Census block groups, population-weighted demographics): a population of 88,841. Why we surface this →

POPULATION SHARE
43.4%

Low-income

POPULATION SHARE
73.5%

People of color

POPULATION SHARE
5.2%

Under age 5

POPULATION SHARE
12.9%

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.