TRI facility · TRI 2024 reporting year

Ampac Fine Chemicals LLC

Total reported releases 2k lb fell sharply year over year (-71%). Total releases concentrations are roughly unchanged from 2010.

HWY 50 & HAZEL RD, Rancho Cordova, California · 325411 · Chemicals · operated by Ampac Fine Chemicals LLC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 2k.11k'10'12'14'16'18'20'22'242k
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

CARCINOGENCAS 75-09-2

Dichloromethane

966 lb · +85% YoY

Dichloromethane concentrations have more than doubled since 2010.

RESPIRATORYCAS 67-56-1

Methanol

436 lb · -82% YoY

Methanol concentrations have fallen 42% since 2010.

RESPIRATORYCAS 121-44-8

Triethylamine

269 lb · YoY

Triethylamine concentrations are roughly unchanged from 2010.

RESPIRATORYCAS 75-05-8

Acetonitrile

150 lb · -96% YoY

Acetonitrile concentrations have fallen 40% since 2010.

RESPIRATORYCAS 108-88-3

Toluene

115 lb · +64% YoY

Toluene concentrations have more than halved since 2010.

RESPIRATORYCAS 1634-04-4

Methyl tert-butyl ether

91 lb · +82% YoY

Methyl tert-butyl ether concentrations have more than halved since 2010.

GENERALCAS 78-92-2

sec-Butyl alcohol

44 lb · -76% YoY

sec-Butyl alcohol concentrations are up 26% since 2021.

CARCINOGENCAS 68-12-2

N,N-Dimethylformamide

37 lb · -63% YoY

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

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (29 Census block groups, population-weighted demographics): a population of 38,682. Why we surface this →

POPULATION SHARE
13.2%

Low-income

POPULATION SHARE
26.8%

People of color

POPULATION SHARE
5.0%

Under age 5

POPULATION SHARE
24.4%

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.