TRI facility · TRI 2024 reporting year

Petro Star Valdez Refinery

Total reported releases 8k lb rose modestly year over year (+12%). Total releases concentrations are up 11% since 2015.

2.5 MILE DAYVILLE RD, Valdez, Alaska · 324110 · Petroleum · operated by Arctic Slope Regional CORP

TOTAL RELEASES · 20152024
Bar chart of annual values from 2015 to 2024, in lb. Most recent year (2024): 8k.14k'15'17'19'21'23'248k
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

RESPIRATORYCAS 1330-20-7

Xylene (mixed isomers)

4k lb · +1% YoY

Xylene (mixed isomers) concentrations have more than doubled since 2015.

PBTCAS N590

Polycyclic aromatic compounds

1k lb · -1% YoY

Polycyclic aromatic compounds concentrations are roughly unchanged from 2015.

RESPIRATORYCAS 110-54-3

n-Hexane

1k lb · +78% YoY

n-Hexane concentrations have fallen 38% since 2015.

CARCINOGENCAS 91-20-3

Naphthalene

737 lb · +385% YoY

Naphthalene concentrations have more than doubled since 2023.

CARCINOGENCAS 100-41-4

Ethylbenzene

188 lb · +9% YoY

Ethylbenzene concentrations have fallen 29% since 2015.

CARCINOGENCAS 71-43-2

Benzene

187 lb · +39% YoY

Benzene concentrations have more than halved since 2015.

PBTCAS N458

Mercury And Mercury Compounds

2 lb · -72% YoY

Mercury And Mercury Compounds concentrations are roughly unchanged from 2015.

Equity context

Around this facility Population Characteristics

EQUITY INGEST PENDING FOR THIS GEOGRAPHY

Valdez-Cordova Census Area County, AK (no Census block groups within 3 miles — falling back to containing county).

Demographic shares, national-percentile rankings (PM2.5, ozone, NO₂, diesel particulate, lead-paint risk, NPL/RMP/TSDF/NPDES proximity, drinking-water non-compliance), and EJ disparity scores will render here once the EJScreen-clone ingest completes for this geography. Why this section matters →

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.