Ammonia
Ammonia releases at National Cement CO Of California INC rose from 19k lb to 41k lb (2.1×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
National Cement CO Of California INC
Total reported releases 44k lb more than doubled year over year (+97%). Total releases concentrations have more than doubled since 2015.
5 MILES EAST OF I-5 OFF HWY 138, Lebec, California · 327310 · Nonmetallic Mineral Product · operated by National Cement
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations have more than doubled since 2019.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2015.
Lead compounds
Lead compounds concentrations are roughly unchanged from 2010.
Chromium
Chromium concentrations have more than doubled since 2017.
Mercury compounds
Mercury compounds concentrations have more than doubled since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Kern County County, CA (no Census block groups within 3 miles — falling back to containing county): a population of 906,883. Why we surface this →
19.3%
Low-income
68.5%
People of color
7.9%
Under age 5
11.3%
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.