Thunder Stone Quarry LLC safety activity
MSHA violations, accident reports and inspections across the current mine portfolio.
Safety activity
Regular Safety and Health Inspection
Thunder Stone Quarry LLC · 29025377.3 on-site hours reported
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(b) · Significant and substantial (S&S)
Identification of power switches.
Thunder Stone Quarry LLC · 290253730 CFR 56.12018
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(b)
Access to stationary electrical equipment or switchgear.
Thunder Stone Quarry LLC · 290253730 CFR 56.12019
Identification of power switches.
Thunder Stone Quarry LLC · 290253730 CFR 56.12018
Safe access.
Thunder Stone Quarry LLC · 290253730 CFR 56.11001
Housekeeping.
Thunder Stone Quarry LLC · 290253730 CFR 56.20003(a)
Handrails and toeboards.
Thunder Stone Quarry LLC · 290253730 CFR 56.11002
Berms or guardrails.
Thunder Stone Quarry LLC · 290253730 CFR 56.9300(a) · Significant and substantial (S&S)
Circuit overload protection.
Thunder Stone Quarry LLC · 290253730 CFR 56.12001 · $336.00 proposed penalty
Handrails and toeboards.
Thunder Stone Quarry LLC · 290253730 CFR 56.11002 · $226.00 proposed penalty
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(a)(1) · $336.00 proposed penalty
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(a)(1) · $336.00 proposed penalty
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(a)(1) · $336.00 proposed penalty
Regular Safety and Health Inspection
Thunder Stone Quarry LLC · 29025372.8 on-site hours reported
Compliance Follow-up Inspection
Thunder Stone Quarry LLC · 29025370.5 on-site hours reported
Compliance Follow-up Inspection
Thunder Stone Quarry LLC · 29025371.0 on-site hours reported
Regular Safety and Health Inspection
Thunder Stone Quarry LLC · 290253720.8 on-site hours reported
Safety defects; examination, correction and records.
Thunder Stone Quarry LLC · 290253730 CFR 56.14100(b) · $226.00 proposed penalty
Safety defects; examination, correction and records.
Thunder Stone Quarry LLC · 290253730 CFR 56.14100(b) · $226.00 proposed penalty
Construction and maintenance of guards.
Thunder Stone Quarry LLC · 290253730 CFR 56.14112(a)(1) · $336.00 proposed penalty
Electrical conductors.
Thunder Stone Quarry LLC · 290253730 CFR 56.12004 · $226.00 proposed penalty
Safety defects; examination, correction and records.
Thunder Stone Quarry LLC · 290253730 CFR 56.14100(b) · $226.00 proposed penalty
Barricades and warning signs.
Thunder Stone Quarry LLC · 290253730 CFR 56.20011 · $226.00 proposed penalty
Sources and definitions
MSHA Violations (issue date), Accidents (accident date) and Inspections (begin date).
Violation titles use current CFR headings to identify the cited rule; they are not the inspector’s account of what happened.
Status is from the current MSHA Mines snapshot, not the selected reporting period. Closed records can retain their last reported controller/operator.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.