TRI facility · TRI 2024 reporting year

Arconic US LLC

Total reported releases 7k lb more than halved year over year (-94%). Total releases concentrations have more than halved since 2010.

1480 MANHEIM PIKE, Lancaster, Pennsylvania · 331315 · Primary Metals · operated by Arconic CORP

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 7k.122k'10'12'14'16'18'20'22'247k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR DROP · RELEASE SHIFT

N090

N090 releases at Arconic US LLC fell from 115k lb to 0 lb (100% lower) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS 7782-50-5

Chlorine

6k lb · -0% YoY

Chlorine concentrations have more than halved since 2010.

RESPIRATORYCAS 7439-96-5

Manganese

659 lb · +29% YoY

Manganese concentrations have more than halved since 2010.

GENERALCAS 7440-50-8

Copper

156 lb · +11% YoY

Copper concentrations have more than halved since 2010.

RESPIRATORYCAS 7440-47-3

Chromium

110 lb · YoY

Chromium concentrations have fallen 30% since 2018.

RESPIRATORYCAS 1330-20-7

Xylene (mixed isomers)

46 lb · -79% YoY

Xylene (mixed isomers) concentrations have more than halved since 2010.

PBTCAS 7439-92-1

Lead

42 lb · +56% YoY

Lead concentrations have more than halved since 2010.

CARCINOGENCAS 91-20-3

Naphthalene

23 lb · -72% YoY

Naphthalene concentrations have fallen 43% since 2010.

CARCINOGENCAS 100-41-4

Ethylbenzene

9 lb · -79% YoY

Ethylbenzene concentrations have more than halved since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (61 Census block groups, population-weighted demographics): a population of 84,102. Why we surface this →

POPULATION SHARE
21.6%

Low-income

POPULATION SHARE
31.2%

People of color

POPULATION SHARE
5.3%

Under age 5

POPULATION SHARE
19.0%

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.