Greensboro Portable Plant 1 Metal/Non-Metal

Martin Marietta Materials Inc · Surface

Lenoir, Caldwell County, NC · Active

MSHA Mine ID: 3102336

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Compliance record

MSHA citations since 2019

citations

significant & substantial

$846

proposed penalties

$846

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 Q2	3,346	0	0.0
2024 Q3	3,106	0	0.0
2024 Q1	3,662	1	273.1
2023 Q4	3,267	0	0.0
2023 Q2	3,490	0	0.0
2022 Q4	1,136	0	0.0
2021 Q2	2,172	1	460.4
2021 Q1	2,019	0	0.0

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

No fatalities recorded at this mine.

2 on file

July 25, 2023 NC · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS

Martin Marietta Materials Inc · Caught in, under or between a moving and a stationary object

EE picking up a rock out of a crusher and rock shifted in hands causing hand to be caught between rock and side of crusher

December 12, 2022 NC · Metal/Non-Metal outside foreman, leadman STRIKING OR BUMPING

Martin Marietta Materials Inc · Struck against stationary object

While traveling by foot to turn off the secondary crusher, the employee struck their head against the frame of the lube tank causing a laceration.