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Case study · MSHA Record #219933230035
Maintenance Man fatality
November 4, 1993 at 3:30 PM
Ponce Cement Plant
· Cemex de Puerto Rico
· Ponce County, PR
Investigator narrative
DECEASED WAS DOING CLEANING DUTIES IN THE TERCIARY AIR DUCT AT NUMBER SIX KILN AREA,WHEN SUDDENLY HOT DUST MATERIAL RAN INTO THE DUCT INFLECTING SEVERE BURNS ON HIS BODY.
Record details
- Classification
- FALLING/SLIDING/ROLLING MATERIALS
- Accident type
- Contact with hot objects or substances
- Activity at time
- Machine Maintenance
- Subunit / location
- MILL OPERATION/PREPARATION PLANT
- Source of injury
- PULVERIZED MINERAL (DUST)
- Nature of injury
- BURN OR SCALD (HEAT)
- Body part affected
- MULTIPLE PARTS (MORE THAN ONE MAJOR)
- Total mining experience
- 9 years
- Experience at this mine
- 9 years
- Experience in this job
- 9 years
- Mine type
- Facility
- Sector
- Metal/Non-Metal
Similar incidents in MSHA records
· same classification: FALLING/SLIDING/ROLLING MATERIALS
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At roughly 12:30 am on Saturday 7/11/26 employee was overcome by clean coal while shoveling spillage out from bottom of Clean Coal Silo. Employee is currently in hospital. Vitals are stable but final outcome still TBD. ***EE passed away 07/20/2026***
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March 3, 2026 · North American Silica Sand, LLC · TX · Cement Worker
A contractor died after a concrete retaining wall collapsed into the excavated trench below crushing EE.
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March 3, 2026 · North American Silica Sand, LLC · TX · Cement Worker
Unsure of what conditions contributed to the death