SPECIALTY MINERALS INC. is a crushed and broken limestone mining and quarrying employer in LUCERNE VALLEY, CA. Federal records show 15 OSHA inspections with 29 violations and $13,340 in penalties. All data sourced from public federal enforcement records.

Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, FMCSA, NLRB, OFLC, and BLS. Last updated: April 21, 2026.

SPECIALTY MINERALS INC.

6565 MERIDIAN ROAD, LUCERNE VALLEY, CA, 92356

Parent: Minerals Technologies (2 locations)

212312 — Crushed and Broken Limestone Mining and Quarrying

EIN: 133678712

66 employees

Federal Enforcement

OSHA inspections

29 violations

$13,340 in penalties

Violations across 3 federal agencies

Enforcement actions from multiple agencies may indicate systemic compliance issues.

Industry Benchmark

Industry Avg TRIR

1.9

Industry Avg DART

1.2

Self-Reported DART

1.5

Self-Reported TRIR

1.5

Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA Form 300A (employer self-reported).

OSHA Inspections

OSHA Violations

Total Penalties

$13,340

Trend

IMPROVING

WHD Cases

Back Wages Owed

MSHA Violations

569

MSHA Penalties

$265,379

Data Insights

History Span

17 years

Last Activity

153 days ago

Inspection Rate

0.9/yr

Violation Rate

1.7/yr

Violation Severity Mix

$460 avg per violation$889 avg per inspection

Active Agencies:

OSHAMSHAEPA$285,719 total across all agencies

TRIR vs Industry Avg

-0.4

Below industry average

DART vs Industry Avg

+0.3

Above industry average

Inspection Breakdown

Planned

Complaint

Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.

Violation rate: 73% of inspections

Recidivism: 2 inspections with serious+ violations

Peer Comparison

99%

Worse than most peers

vs 1,678 employers in same industry & state

Fewer violationsMore violations

Penalty Percentile

96%

Inspection Frequency Percentile

96%

Environmental Compliance (EPA)

EPA Inspections

Quarters Non-Compliant

Formal Actions

EPA Penalties

$7,000

Status: No Violation Identified

EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act.

Need API access, CSV upload, or PDF reports? Upgrade to Paid for $79/mo.

Inspection History

No inspection records found.

The FastDOL Report

Weekly workplace compliance news. Free.

More employers in this state: California workplace enforcement data →

More in this industry: Crushed and Broken Limestone Mining and Quarrying enforcement data →

Data aggregated from public federal enforcement records (OSHA, WHD, MSHA, EPA, FMCSA, NLRB, OFLC, BLS). Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.

Frequently Asked Questions

What is SPECIALTY MINERALS INC.'s OSHA violation history?: SPECIALTY MINERALS INC. has 15 OSHA inspections on record with 29 violations and $13,340 in total penalties.
How does SPECIALTY MINERALS INC.'s safety record compare to its industry?: SPECIALTY MINERALS INC. operates in the crushed and broken limestone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9. SPECIALTY MINERALS INC.'s self-reported DART rate is 1.47 compared to an industry average of 1.2.