EPA TRI Facility · Metal Mining
Silver Bell Mining LLC
Marana, AZ · Parent: Americas Mining Corp
- Total releases
- 28.9K lbs
- Chemicals reported
- 8
- Carcinogens
- 1
- Primary pathway
- Air Releases
MIXED Form-R mix
Silver Bell Mining LLC: how the 28.9K lbs splits
28.9K lbs across all reported pathways
- Air Releases 16.1K lbs 55.6%
- Land Disposal 12.8K lbs 44.4%
- Off-site Transfers 0 lbs <0.1%
Silver Bell Mining LLC's 28.9K lbs Form-R total is MIXED - air releases is 55.6% of the bar. Next segment: land disposal at 44.4%. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
LIGHT volume MIXED pathway CLEAN
Silver Bell Mining LLC is an EPA Toxics Release Inventory reporter in Marana, AZ, in the metal mining sector. It reported 4.1K lbs of releases across 7 chemicals in 2023, and 28.9K lbs in total across its 2019-2023 reporting years. That ranks 7,401 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. Silver Bell Mining LLC is pounds #69 and chemical-count #43 at 28.9K 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Vulcan Materials Co Marana; Tangerine Rd. Asphalt Plant; Calportland Co Rillito Plant; Calportland Co Orange Grove Plant. Similar-scale Metal Mining peers outside Arizona: Midas Project; Goldcorp Dee LLC - Lone Tree Mine; Chemours - Jesup Mine; Mission Mine. Other Americas Mining Corp sites in this extract: Asarco LLC Ray Complex/ Hayden Smelter & Concentrator; Asarco LLC Mission Complex; Asarco LLC Ray Mine Operations; Asarco LLC Amarillo Copper Refinery. Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Copper And Copper Compounds; Lead And Lead Compounds; Mercury compounds.
Silver Bell Mining LLC is a LIGHT · MIXED-pathway Form-R site in Marana, AZ: 28.9K lbs across 8 chemicals (1 carcinogen-classified, CLEAN). No single media clears 70% of the bar (lead segment air releases at 55.6%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Midas Project and Goldcorp Dee LLC - Lone Tree Mine.
Silver Bell Mining LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
29K lbs Top 28% higher than 72% 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
Silver Bell Mining LLC in the Metal Mining sector extract
Among the 103 Metal Mining facilities in this database, Silver Bell Mining LLC reports the 80th-largest volume (28.9K lbs). Scale peers outside Arizona include Midas Project and Goldcorp Dee LLC - Lone Tree Mine.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Silver Bell Mining LLC's total reported releases fell from 4.3 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
- Silver Bell Mining LLC's chemicals reported rose from 6 in 2022 to 7 in 2023, based on EPA TRI filings.
- Silver Bell Mining LLC's land releases fell from 1.0 thousand lb in 2022 to 925 lb in 2023, based on EPA TRI filings.
- Silver Bell Mining LLC's air releases fell from 3.2 thousand lb in 2022 to 3.1 thousand lb in 2023, based on EPA TRI filings.
Silver Bell Mining LLC Form-R facts
Compare this facility
See how Silver Bell Mining LLC stacks up against nearby facilities and the typical reporter.
29555.9× 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 Silver Bell Mining LLC releases toxic chemicals into the environment. Total: 28.9K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 10% (4.5K lbs to 4.1K lbs).
Silver Bell Mining LLC: annual Form-R pounds
LIGHT site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Silver Bell Mining LLC year-over-year reported totals (decreased by 10% 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: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 4.5K lbs | 7 |
| 2020 | 9.9K lbs | 6 |
| 2021 | 6.2K lbs | 6 |
| 2022 | 4.3K lbs | 6 |
| 2023 | 4.1K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15.9K lbs | - |
| Copper And Copper Compounds | 11.8K lbs | - |
| Lead And Lead Compounds | 1.2K lbs | - |
| Mercury compounds | 0 lbs | - |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 0 lbs | - |
| Cobalt compounds | 0 lbs | Carcinogen |
| Ammonia | 0 lbs | - |
| Mercury And Mercury Compounds | 0 lbs | - |
Silver Bell Mining LLC in Pima
Nearest TRI Facilities to Silver Bell Mining LLC
Closest other reporters in Arizona - including Vulcan Materials Co Marana, Tangerine Rd. Asphalt Plant, Calportland Co Rillito Plant, 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. Midas Project, Goldcorp Dee LLC - Lone Tree Mine, Chemours - Jesup Mine.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Silver Bell Mining LLC on cumulative reported pounds (28.9K lbs) and distinct chemical count (8). Release-pound peers include Berry Specialty Tapes LLC, Benvic Trinity LLC, Jackson Lake Plant. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Ray Mine Operations.
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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Copper And Copper Compounds, Lead And Lead Compounds, Mercury compounds; nearby reporters include Vulcan Materials Co Marana. Silver Bell Mining LLC stamps LIGHT volume · MIXED pathway · CLEAN 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 Silver Bell Mining LLC TRI extract (LIGHT · MIXED · CLEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Silver Bell Mining LLC totals are self-reported EPCRA §313 estimates for Marana, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 212230 · Metal Mining. 0.1% of Pima TRI pounds in this extract. Nearest ABS peer: Berry Specialty Tapes LLC (Δ 14 lbs). Pounds ≠ exposure.
Silver Bell Mining LLC stamps LIGHT · MIXED pathway (air releases leads at 55.6%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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