TRI facility · TRI 2024 reporting year

Herbert Malarkey Roofing CO

Total reported releases 4 lb rose meaningfully year over year (+32%). Total releases concentrations have more than doubled since 2011.

9301 GARFIELD AVE, South Gate, California · 324122 · Petroleum · operated by Holcim Participations (Us) INC

TOTAL RELEASES · 20112024
Bar chart of annual values from 2011 to 2024, in lb. Most recent year (2024): 4.7'11'13'15'17'19'21'23'244
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

PBTCAS N590

Polycyclic aromatic compounds

2 lb · +8% YoY

Polycyclic aromatic compounds concentrations are roughly unchanged from 2011.

GENERALCAS N982

Zinc compounds

2 lb · -6% YoY

Zinc compounds concentrations have fallen 16% since 2019.

GENERALCAS N100

Copper compounds

1 lb · +530% YoY

Copper compounds concentrations have more than halved since 2012.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (207 Census block groups, population-weighted demographics): a population of 339,897. Why we surface this →

POPULATION SHARE
40.7%

Low-income

POPULATION SHARE
94.3%

People of color

POPULATION SHARE
6.0%

Under age 5

POPULATION SHARE
11.2%

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.