TRI facility · TRI 2024 reporting year

Tpc Group LLC

Total reported releases 76k lb rose meaningfully year over year (+19%). Total releases concentrations have fallen 39% since 2010.

8600 PARK PL BLVD, Houston, Texas · 325199 · Chemicals · operated by Tpc Group LLC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 76k.222k'10'12'14'16'18'20'22'2476k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Methyl tert-butyl ether

Methyl tert-butyl ether releases at Tpc Group LLC rose from 15k lb to 32k lb (2.1×) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS 1634-04-4

Methyl tert-butyl ether

32k lb · +112% YoY

Methyl tert-butyl ether concentrations have fallen 28% since 2010.

RESPIRATORYCAS 67-56-1

Methanol

22k lb · +9% YoY

Methanol concentrations have fallen 26% since 2010.

CARCINOGENCAS 106-99-0

1,3-Butadiene

18k lb · -27% YoY

1,3-Butadiene concentrations have more than halved since 2010.

CARCINOGENCAS 68-12-2

N,N-Dimethylformamide

2k lb · +12% YoY

N,N-Dimethylformamide concentrations have more than halved since 2010.

GENERALCAS 115-07-1

Propylene

1k lb · -15% YoY

Propylene concentrations are roughly unchanged from 2010.

GENERALCAS 75-65-0

tert-Butyl alcohol

1k lb · +71% YoY

tert-Butyl alcohol concentrations have more than doubled since 2010.

GENERALCAS 74-85-1

Ethylene

364 lb · -10% YoY

Ethylene concentrations are up 29% since 2016.

GENERALCAS 7637-07-2

Boron trifluoride

1 lb · -96% YoY

Boron trifluoride concentrations have fallen 40% since 2015.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (91 Census block groups, population-weighted demographics): a population of 125,923. Why we surface this →

POPULATION SHARE
51.7%

Low-income

POPULATION SHARE
93.8%

People of color

POPULATION SHARE
7.7%

Under age 5

POPULATION SHARE
10.4%

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.