CANTERA ROCA DURA INC Metal/Non-Metal

CANTERA ROCA DURA LLC · Surface

Controlled by Antonio E Medina

Manati, Manati County, PR · Active

MSHA Mine ID: 5400404

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Compliance record

MSHA citations since 2000

163

citations

significant & substantial

$36,231

proposed penalties

$26,096

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	3,087	0	0.0
2025 Q3	308	0	0.0
2025 Q2	3,748	0	0.0
2025 Q1	4,305	0	0.0
2024 Q4	4,321	1	231.4
2024 Q3	250	0	0.0
2024 Q1	1,280	0	0.0
2023 Q4	480	2	4166.7

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

1 on file

April 10, 2000 - · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON

Roca Dura Inc · Fall from machine

EE SUFFERED A FALL ASCENDING MACHINE.