Armstrong World Industries Inc
6 facilities · 6 states · 2.5M lbs total releases
According to the EPA Toxics Release Inventory, Armstrong World Industries Inc is the reported parent of 6 Form R facilities across 6 states, disclosing 2.5M lbs of toxic releases. 2 of 20 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Pennsylvania (1.6M lbs). Those TRI figures remain self-reported disclosure pounds for Armstrong World Industries Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Armstrong World Industries Inc: EPA TRI 2023 reporting year
Same facilities, both years
+5.3%
6 facilities that filed in 2022 and 2023
Whole inventory
+5.3%
440.7 thousand lb → 464.1 thousand lb, every facility that filed
- Armstrong World Industries Inc's total reported releases rose from 440.7 thousand lb in 2022 to 464.1 thousand lb in 2023, based on EPA TRI filings.
- Armstrong World Industries Inc's water releases fell from 3.0 thousand lb in 2022 to 2.4 thousand lb in 2023, based on EPA TRI filings.
- Armstrong World Industries Inc's off-site transfers rose from 183.3 thousand lb in 2022 to 212.7 thousand lb in 2023, based on EPA TRI filings.
- Armstrong World Industries Inc's air releases fell from 254.4 thousand lb in 2022 to 249.0 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Armstrong World Industries Inc from filing to facility
Largest Form R sites under this parent: Armstrong World Industries; Armstrong World Industries Inc; Armstrong World Industries Inc.; Armstrong World Industries Inc Millwood Wv. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Ammonia; Manganese compounds; Formaldehyde; Propiconazole. Heaviest-reporting states in this extract: Pennsylvania; Georgia; Florida. Industry labels on the parent rollup: Miscellaneous Manufacturing; Nonmetallic Mineral Product; Wood Products. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Armstrong World Industries; Armstrong World Industries Inc; Armstrong World Industries Inc.; Armstrong World Industries Inc Millwood Wv. Neighbor parents on the disclosure ladder: US Steel Corp; Keystone-Conemaugh Projects LLC. Largest disclosed chemicals by pounds: Manganese And Manganese Compounds; Ammonia; Manganese compounds; Formaldehyde; Propiconazole. Heaviest-reporting states in this extract: Pennsylvania; Georgia; Florida. Industry labels on the parent rollup: Miscellaneous Manufacturing; Nonmetallic Mineral Product; Wood Products.
Armstrong World Industries Inc ranks #407 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Armstrong World Industries Inc spans 6 states in this extract, placing it among the broader national TRI parent footprints. Armstrong World Industries Inc's disclosed pounds are spread across 6 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Armstrong World Industries Inc follows facility-reported names. Compare the named neighbors (US Steel Corp; Keystone-Conemaugh Projects LLC) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Armstrong World Industries Inc sits among TRI parents
Armstrong World Industries Inc sits on a disclosure ladder beside US Steel Corp and Keystone-Conemaugh Projects LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- US Steel Corp · rank #405 · 40.6M lbs
- Keystone-Conemaugh Projects LLC · rank #406 · 15.0M lbs
Largest chemicals disclosed by Armstrong World Industries Inc
Manganese And Manganese Compounds; Ammonia; Manganese compounds; Formaldehyde; Propiconazole lead the Form R pound rollup for this parent, including filings such as Armstrong World Industries. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Manganese And Manganese Compounds | 785.6K lbs |
| Ammonia | 718.4K lbs |
| Manganese compounds | 694.6K lbs |
| Formaldehyde | 638.9K lbs |
| Propiconazole | 1.2K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Pennsylvania | 1 | 1.6M lbs |
| Georgia | 1 | 524.7K lbs |
| Florida | 1 | 274.5K lbs |
| West Virginia | 1 | 64.3K lbs |
| Ohio | 1 | 44.0K lbs |
| Missouri | 1 | 102 lbs |
Facilities (6)
| Facility | Releases |
|---|---|
| Armstrong World Industries Marietta, PA | 1.6M lbs |
| Armstrong World Industries Inc Macon, GA | 524.7K lbs |
| Armstrong World Industries Inc. Pensacola, FL | 274.5K lbs |
| Armstrong World Industries Inc Millwood Wv Millwood, WV | 64.3K lbs |
| Armstrong World Industries Hilliard Ohio Plant Hilliard, OH | 44.0K lbs |
| Architectural Components Group Inc. Marshfield, MO | 102 lbs |
Frequently Asked Questions
How much pollution does Armstrong World Industries Inc release?
How many facilities does Armstrong World Industries Inc operate?
What industries and chemicals show up for Armstrong World Industries Inc?
Does Armstrong World Industries Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Armstrong World Industries Inc on total disclosed release pounds (2.5M lbs) and reporting facility count (6). Release-volume peers include Grede Holdings LLC, East Penn Manufacturing Co Inc, Covestro LLC. Facility-count peers include Abbott Laboratories, Agribeef Co, Allnex USA Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Pennsylvania, Georgia, Florida; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Armstrong World Industries Inc's TRI parent record
From Armstrong World Industries Inc, open Armstrong World Industries or compare against US Steel Corp rather than reading rank alone.
- Open the largest Form R site for Armstrong World Industries Inc (Armstrong World Industries in PA). Largest facility
- Compare against Keystone-Conemaugh Projects LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Armstrong World Industries Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (US Steel Corp, Keystone-Conemaugh Projects LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Armstrong World Industries Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.