EPA TRI Facility · Chemicals
Dyno Nobel Inc-Cheyenne Plant
Cheyenne, WY · Parent: Dyno Nobel Inc
- Total releases
- 27.1M lbs
- Chemicals reported
- 8
- Carcinogens
- 2
- Primary pathway
- Land Disposal
LAND Form-R mix
Dyno Nobel Inc-Cheyenne Plant: how the 27.1M lbs splits
27.1M lbs across all reported pathways
- Land Disposal 23.6M lbs 86.8%
- Air Releases 3.6M lbs 13.2%
Dyno Nobel Inc-Cheyenne Plant's 27.1M lbs Form-R total is LAND - land disposal is 86.8% of the bar. Next segment: air releases at 13.2%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
HEAVY volume LAND pathway TRACE-CARC
Dyno Nobel Inc-Cheyenne Plant is an EPA Toxics Release Inventory reporter in Cheyenne, WY, in the chemicals sector. It reported 6.1M lbs of releases across 7 chemicals in 2023, and 27.1M lbs in total across its 2019-2023 reporting years. That ranks 71 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Wyoming's 70 reporting TRI sites, pounds #1 is not chemical-count #1. Dyno Nobel Inc-Cheyenne Plant leads reported pounds (27.1M lbs) at 8 chemicals (chemical-count #19). Hf Sinclair Parco Refining LLC leads chemical count at 36 chemicals (1.5M lbs, pounds #10). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Brenntag Pacific Inc.; Voestalpine Railway Systems Nortrak Inc.; US Dod Usaf Fe Warren Afb (part); U.S. Dod Usaf Wyoming Ang. Similar-scale Chemicals peers outside Wyoming: Ineos Pigments USA Inc; Sabic Innovative Plastics Mt. Vernon LLC; Louisiana Pigment Co LP; P4 Production LLC. Other Dyno Nobel Inc sites in this extract: Dyno Nobel- St.helens Plant; Dyno Nobel Inc.--Lomo Plant; Dyno Nobel Inc; Dyno Nobel Inc - Carthage Plant. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Ethylene glycol; Formaldehyde.
In-state chemical count is not the pounds ranking
Wyoming TRI reporters with pounds > 0 and chemicals > 0 (n=70)
- Hf Sinclair Parco Re...
- Dyno Nobel Inc-Cheye... 8
What this shows Hf Sinclair Parco Refining LLC leads Wyoming chemical count. Dyno Nobel Inc-Cheyenne Plant leads reported pounds and sits at chemical-count #19. Chemical count is a disclosure mix, not toxicity or health risk.
Dyno Nobel Inc-Cheyenne Plant stamps HEAVY volume with a dominant LAND pathway (86.8% land disposal) across 8 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 27.1M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ineos Pigments USA Inc and Sabic Innovative Plastics Mt. Vernon LLC.
Dyno Nobel Inc-Cheyenne Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
27M lbs Top 1% higher than 100% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Dyno Nobel Inc-Cheyenne Plant inside Laramie's TRI pounds
Among the 3,917 Chemicals facilities in this database, Dyno Nobel Inc-Cheyenne Plant reports the 17th-largest volume, placing it in the top 0.4% of its sector. This one site accounts for 99.1% of every pound reported in Laramie. Its reported volume is concentrated rather than spread: Nitrate compounds (water dissociable; reportable only when in aqueous solution) alone is 81.8% of the total. Scale peers outside Wyoming include Ineos Pigments USA Inc and Sabic Innovative Plastics Mt. Vernon LLC.
County-dominant here means ≥25% of Laramie's reported pounds (27.4M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Dyno Nobel Inc-Cheyenne Plant's total reported releases rose from 4.4 million lb in 2022 to 6.1 million lb in 2023, based on EPA TRI filings.
- Dyno Nobel Inc-Cheyenne Plant's land releases rose from 3.7 million lb in 2022 to 5.4 million lb in 2023, based on EPA TRI filings.
Dyno Nobel Inc-Cheyenne Plant Form-R facts
Compare this facility
See how Dyno Nobel Inc-Cheyenne Plant stacks up against nearby facilities and the typical reporter.
5052.8× more than the comparison
2.7× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Dyno Nobel Inc-Cheyenne Plant releases toxic chemicals into the environment. Total: 27.1M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 1% (6.1M lbs to 6.1M lbs).
Dyno Nobel Inc-Cheyenne Plant: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020
- 2021
- 2022
- 2023
What this shows Dyno Nobel Inc-Cheyenne Plant year-over-year reported totals (decreased by 1% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 6.1M lbs | 8 |
| 2020 | 5.7M lbs | 7 |
| 2021 | 4.8M lbs | 7 |
| 2022 | 4.4M lbs | 7 |
| 2023 | 6.1M lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 22.2M lbs | - |
| Ammonia | 4.8M lbs | - |
| Ethylene glycol | 75.0K lbs | - |
| Formaldehyde | 58.7K lbs | Carcinogen |
| Nitric acid | 7.5K lbs | - |
| Naphthalene | 385 lbs | Carcinogen |
| Chlorine | 0 lbs | - |
| Copper And Copper Compounds | 0 lbs | - |
Dyno Nobel Inc-Cheyenne Plant · LAND-pathway site
Nearest TRI Facilities to Dyno Nobel Inc-Cheyenne Plant
Closest other reporters in Wyoming - including Brenntag Pacific Inc., Voestalpine Railway Systems Nortrak Inc., US Dod Usaf Fe Warren Afb (part), ordered by distance.
Showing 8 of 69 other reporting facilities in Wyoming.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Wyoming - e.g. Ineos Pigments USA Inc, Sabic Innovative Plastics Mt. Vernon LLC, Louisiana Pigment Co LP.
Compare beyond Wyoming
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Dyno Nobel Inc-Cheyenne Plant on cumulative reported pounds (27.1M lbs) and distinct chemical count (8). Release-pound peers include Ineos Pigments USA Inc, Oneok Rockies Midstream LLC - Grasslands Gas Plant, Vickery Environmental Inc.. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Ineos Pigments USA Inc Ashtabula, OH · Chemicals 27.2M lbs reported
- Oneok Rockies Midstream LLC - Grasslands Gas Plant Alexander, ND · Natural Gas Processing 26.9M lbs reported
- Vickery Environmental Inc. Vickery, OH · Hazardous Waste 27.5M lbs reported
- Minnkota Power Cooperative Inc. Milton R. Young Station Center, ND · Electric Utilities 27.5M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Dyno Nobel Inc Facilities
Same-parent TRI sites ranked by reported releases - including Dyno Nobel- St.helens Plant, Dyno Nobel Inc.--Lomo Plant, Dyno Nobel Inc.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Ethylene glycol, Formaldehyde; nearby reporters include Brenntag Pacific Inc.. Dyno Nobel Inc-Cheyenne Plant stamps HEAVY volume · LAND pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Dyno Nobel Inc-Cheyenne Plant TRI extract (HEAVY · LAND · TRACE-CARC · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Dyno Nobel Inc-Cheyenne Plant totals are self-reported EPCRA §313 estimates for Cheyenne, WY, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325311 · Chemicals. 99.1% of Laramie TRI pounds in this extract. Nearest ABS peer: Ineos Pigments USA Inc (Δ 30.8K lbs). Pounds ≠ exposure.
Dyno Nobel Inc-Cheyenne Plant stamps HEAVY volume · LAND pathway · TRACE-CARC · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov