Martin Marietta Materials, Inc, Nelson Quarry & Plant (Coconino County, AZ): MSHA citation under 56.11002 (2026-09-16)
Martin Marietta Materials, Inc (Arizona): MSHA citation under 56.11002 (2026-09-16). Dated 50 days ago, it serves as a historical benchmark. Score 20/100. As of 2026-11-04, from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only.
Data as of · Compiled by Zalwin from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
Free preview: all 13 published fields of this record are shown below. Locked: 499 related AZ MshaMinePulse records and the 5-column CSV export.
| Field | Value |
|---|---|
| Company | Martin Marietta Materials, Inc |
| Mine | Nelson Quarry & Plant (ID 0201457) |
| Location | Coconino County, AZ |
| Commodity | Lime |
| Mine type | Surface |
| Employees | 84 |
| Issued | 2026-09-16 |
| Action | Citation |
| Standard | 56.11002 |
| Significant & substantial | No |
| Negligence | Mod |
| Proposed penalty | Not yet assessed |
| Contested | No |
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- Source agency: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
- Record date: 2026-09-16
- Data refreshed: 2026-11-04
- Refunds on request within 14 days
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LIVE PUBLIC DATA Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only · Last refreshed: Wed, 04 Nov 2026 01:31:23 GMT
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Peer benchmark and outreach value: Martin Marietta Materials, Inc and 732 Arizona peers
- Arizona MshaMinePulse records like this one: 732
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every Arizona peer: $146,400 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
20 / 100 Safety Need Score
What is the MshaMinePulse record for Martin Marietta Materials, Inc in Arizona?
MSHA issued Martin Marietta Materials, Inc a citation under 56.11002 at Nelson Quarry & Plant (AZ) on 2026-09-16.
How does Martin Marietta Materials, Inc compare to other Arizona MshaMinePulse records?
It is 50 days old; check the official source for later updates before acting. Its Safety Need Score of 20/100 is modest; treat it as background rather than a priority.
Martin Marietta Materials, Inc vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| Martin Marietta Materials, Inc | AZ | 2026-09-16 | ||
| Asarco LLC | AZ | 7,267 | 99th | 2026-09-01 |
| Origin Mining Company, LLC. | AZ | 2026-08-24 | ||
| Freeport-McMoRan Morenci Inc. | AZ | 2026-08-25 |
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Data comes from MSHA Open Government Data files, which MSHA updates weekly; citations can appear days to weeks after issue, and proposed penalties are often blank until assessed months later. Citations can be modified, vacated or contested; confirm on the MSHA Mine Data Retrieval System. Company violators only; individual agents are excluded. Not a consumer report and may not be used for FCRA purposes. Informational only; not legal or safety advice.