Diphenylamine
Diphenylamine releases at Lubrizol Corp Bayport Facility rose from 13k lb to 49k lb (3.8×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Lubrizol Corp Bayport Facility
Total reported releases 282k lb rose meaningfully year over year (+20%). Total releases concentrations have more than doubled since 2010.
12801 BAY AREA BLVD, Pasadena, Texas · 325199 · Chemicals · operated by Berkshire Hathaway INC
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Methanol
Methanol concentrations have more than doubled since 2011.
Dimethylamine
Dimethylamine concentrations have fallen 29% since 2019.
Diphenylamine
Diphenylamine concentrations have more than doubled since 2018.
Toluene
Toluene concentrations have more than doubled since 2010.
Phenol
Phenol concentrations have more than halved since 2014.
n-Butyl alcohol
n-Butyl alcohol concentrations have more than doubled since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations are roughly unchanged from 2010.
Naphthalene
Naphthalene concentrations have more than halved since 2017.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (16 Census block groups, population-weighted demographics): a population of 24,186. Why we surface this →
23.6%
Low-income
46.4%
People of color
6.8%
Under age 5
12.4%
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.