EPA TRI Facility · Metal Mining
Asarco LLC Ray Mine Operations
Kearny, AZ · Parent: Americas Mining Corp
- Total releases
- 5.3M lbs
- Chemicals reported
- 12
- Carcinogens
- 2
- Primary pathway
- Land Disposal
LAND Form-R mix
Asarco LLC Ray Mine Operations: how the 5.3M lbs splits
5.3M lbs across all reported pathways
- Land Disposal 5.2M lbs 99.6%
- Air Releases 18.6K lbs 0.4%
Asarco LLC Ray Mine Operations's 5.3M lbs Form-R total is LAND - land disposal is 99.6% of the bar. Next segment: air releases at 0.4%. Leading chemical by pounds: Lead And Lead Compounds.
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 CARC-LEAN
Asarco LLC Ray Mine Operations is an EPA Toxics Release Inventory reporter in Kearny, AZ, in the metal mining sector. It reported 1.5M lbs of releases across 9 chemicals in 2023, and 5.3M lbs in total across its 2019-2023 reporting years. That ranks 407 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arizona's 288 reporting TRI sites, pounds #1 is not chemical-count #1. Asarco LLC Ray Mine Operations is pounds #9 and chemical-count #15 at 5.3M lbs. Freeport-McMoran Miami Inc leads reported pounds (129.3M lbs) at 17 chemicals (chemical-count #10). Freeport-McMoran Morenci Inc leads chemical count at 33 chemicals (36.9M lbs, pounds #4). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Resolution Copper Mining; Pinto Valley Mine; Carlota Copper Co. Similar-scale Metal Mining peers outside Arizona: Climax Molybdenum Co Henderson Mill; Nyrstar - Cumberland Mine; Nyrstar- Immel Mine; Pend Oreille Mine. Other Americas Mining Corp sites in this extract: Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Asarco LLC Mission Complex; Asarco LLC Amarillo Copper Refinery; Silver Bell Mining LLC. Largest disclosed chemicals by pounds: Lead And Lead Compounds; Lead compounds; Chromium; Manganese.
Asarco LLC Ray Mine Operations stamps HEAVY volume with a dominant LAND pathway (99.6% land disposal) across 12 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 5.3M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Climax Molybdenum Co Henderson Mill and Nyrstar - Cumberland Mine.
Asarco LLC Ray Mine Operations vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
5.3M lbs Top 2% higher than 98% 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
Asarco LLC Ray Mine Operations inside Pinal's TRI pounds
Among the 103 Metal Mining facilities in this database, Asarco LLC Ray Mine Operations reports the 45th-largest volume (5.3M lbs). This one site accounts for 77.4% of every pound reported in Pinal. Its reported volume is concentrated rather than spread: Lead And Lead Compounds alone is 68.2% of the total. Scale peers outside Arizona include Climax Molybdenum Co Henderson Mill and Nyrstar - Cumberland Mine.
County-dominant here means ≥25% of Pinal's reported pounds (6.8M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Asarco LLC Ray Mine Operations's total reported releases rose from 1.1 million lb in 2022 to 1.5 million lb in 2023, based on EPA TRI filings.
- Asarco LLC Ray Mine Operations's land releases rose from 1.1 million lb in 2022 to 1.5 million lb in 2023, based on EPA TRI filings.
- Asarco LLC Ray Mine Operations's air releases fell from 5.4 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
Asarco LLC Ray Mine Operations Form-R facts
Compare this facility
See how Asarco LLC Ray Mine Operations stacks up against nearby facilities and the typical reporter.
92% less than the comparison
40% less 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 Asarco LLC Ray Mine Operations releases toxic chemicals into the environment. Total: 5.3M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 17% (1.8M lbs to 1.5M lbs).
Asarco LLC Ray Mine Operations: annual Form-R pounds
HEAVY site · LAND pathway · TRI years 2019–2023
- 2019
- 2020 0
- 2021
- 2022
- 2023
What this shows Asarco LLC Ray Mine Operations year-over-year reported totals (decreased by 17% 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: Lead And Lead Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.8M lbs | 10 |
| 2020 | 303.8K lbs | 9 |
| 2021 | 628.0K lbs | 9 |
| 2022 | 1.1M lbs | 9 |
| 2023 | 1.5M lbs | 9 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead And Lead Compounds | 3.6M lbs | - |
| Lead compounds | 972.1K lbs | - |
| Chromium | 297.4K lbs | - |
| Manganese | 188.9K lbs | - |
| Nickel | 185.2K lbs | Carcinogen |
| Copper And Copper Compounds | 28.5K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1.2K lbs | - |
| Mercury And Mercury Compounds | 807 lbs | - |
| Mercury compounds | 85 lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
| Cobalt compounds | 0 lbs | Carcinogen |
| Ammonia | 0 lbs | - |
Asarco LLC Ray Mine Operations · LAND-pathway site
Nearest TRI Facilities to Asarco LLC Ray Mine Operations
Closest other reporters in Arizona - including Asarco LLC Ray Complex/ Hayden Smelter & Concentrator, Resolution Copper Mining, Pinto Valley Mine, ordered by distance.
Showing 8 of 287 other reporting facilities in Arizona.
Similar Metal Mining Facilities
Other Metal Mining facilities with similar total release volumes (±80%), outside Arizona - e.g. Climax Molybdenum Co Henderson Mill, Nyrstar - Cumberland Mine, Nyrstar- Immel Mine.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Asarco LLC Ray Mine Operations on cumulative reported pounds (5.3M lbs) and distinct chemical count (12). Release-pound peers include Diamond Shamrock Refining Co LP, Vibrantz Specialty Products LLC, Thomas Hill Energy Center. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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.
- Diamond Shamrock Refining Co LP Sunray, TX · Petroleum 5.3M lbs reported
- Vibrantz Specialty Products LLC Baltimore, MD · Chemicals 5.3M lbs reported
- Thomas Hill Energy Center Clifton Hill, MO · Electric Utilities 5.3M lbs reported
- Clean Harbors Deer Trail Llc. Deer Trail, CO · Hazardous Waste 5.2M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Fmc Agricultural Caribe Industries Ltd Manati, PR · Chemicals 12 chemicals
- Peerless Oil & Chemicals Inc. Penuelas, PR · Petroleum Bulk Terminals 12 chemicals
- Prepa - Aguirre Power Generati on Complex Aguirre, PR · Electric Utilities 12 chemicals
- Citgo Petroleum Corp Braintree, MA · Petroleum Bulk Terminals 12 chemicals
Other Americas Mining Corp Facilities
Same-parent TRI sites ranked by reported releases - including Asarco LLC Ray Complex/ Hayden Smelter & Concentrator, Asarco LLC Mission Complex, Asarco LLC Amarillo Copper Refinery.
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 Lead And Lead Compounds, Lead compounds, Chromium, Manganese; nearby reporters include Asarco LLC Ray Complex/ Hayden Smelter & Concentrator. Asarco LLC Ray Mine Operations stamps HEAVY volume · LAND pathway · CARC-LEAN 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 Asarco LLC Ray Mine Operations TRI extract (HEAVY · LAND · CARC-LEAN · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Asarco LLC Ray Mine Operations totals are self-reported EPCRA §313 estimates for Kearny, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212230 · Metal Mining. 77.4% of Pinal TRI pounds in this extract. Nearest ABS peer: Diamond Shamrock Refining Co LP (Δ 2.6K lbs). Pounds ≠ exposure.
Asarco LLC Ray Mine Operations stamps HEAVY volume · LAND pathway · CARC-LEAN · lead Lead And Lead Compounds. 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