MSHA citations at nonmetal mines in California
167 MSHA citations at nonmetal mines in California are listed from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, dated 2026-05-12 to 2026-10-27; the most frequent is U S Borax Inc with 56. Data last updated 2026-11-04; each record links to its official source and a full report.
Data as of · Compiled by Zalwin from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only
Includes: Company, Mine, State, Standard, Issued, official source URL and score · Card, Apple Pay, Google Pay or Link via Stripe
167 records from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, dated 2026-05-12 to 2026-10-27. Most frequent: U S Borax Inc (56). Each record links to a full report and the official source.
167 recent MSHA citations at nonmetal mines in California, with proposed penalties. Mine safety consultants, training providers and equipment suppliers use it to see where compliance help is needed. Citations are allegations until finally resolved.
Last updated 2026-11-04. Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only.
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- U S Borax Inc (56)
- Imerys Filtration Minerals, Inc. (26)
- Industrial Silica Products, LLC (11)
- The Don Chapin Company (11)
- Lynx Cat Mountain Quarry Operations, LLC (10)
How do I get new MSHA citations at nonmetal mines in California by email?
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What are the top MSHA citations at nonmetal mines in California right now?
| Record | Mine | State | Standard |
|---|---|---|---|
| U S Borax Inc | Boron Operations | CA | 56.14100(b) |
| Imerys Filtration Minerals, Inc. | Imerys Lompoc Plant | CA | 56.16001 |
| San Joaquin County Aggregates | Waverly | CA | 56.14107(a) |
| U S Borax Inc | Boron Operations | CA | 56.14107(a) |
| Sharp & Fellows Inc | Boron Operations | CA | 56.14132(b)(1)(i) |
| U S Borax Inc | Boron Operations | CA | 56.12008 |
| U S Borax Inc | Boron Operations | CA | 56.11012 |
| American Perlite Company | FISH SPRINGS QUARRY | CA | 56.15005 |
| U S Borax Inc | Boron Operations | CA | 56.20003(a) |
| PROTECH MINERALS, LLC | Protech Minerals, LLC | CA | 56.14130(g) |
| PROTECH MINERALS, LLC | Protech Minerals, LLC | CA | 56.14105 |
| Lynx Cat Mountain Quarry Operations, LLC | LYNX CAT QUARRY | CA | 56.14132(b)(1)(i) |
| Lynx Cat Mountain Quarry Operations, LLC | LYNX CAT QUARRY | CA | 56.14132(b)(1) |
| AMPCO Contracting, Inc. | Boron Operations | CA | 56.14101(a)(3) |
| AMPCO Contracting, Inc. | Boron Operations | CA | 56.14101(a)(2) |
| Industrial Silica Products, LLC | 🔒 Unlock all 167 records → | ||
| Industrial Silica Products, LLC | 🔒 Unlock all 167 records → | ||
| U S Borax Inc | 🔒 Unlock all 167 records → | ||
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Frequently asked questions
How many MSHA citations at nonmetal mines in California are listed?
167 records from US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only, last refreshed automatically. The most recent is dated 2026-10-27.
Can I get alerts for MSHA citations at nonmetal mines in California?
Yes. MshaMinePulse can email you new records matching this filter; plans are listed on the MshaMinePulse page.
Source: US DOL Mine Safety and Health Administration (MSHA) Open Government Data, company violators only. Informational only. RSS feed of new records