North American Silica Sand, LLC Metal/Non-Metal

North American Silica Sand, LLC · Facility

Controlled by Ignacio Martinez

Poteet, Atascosa County, TX · Intermittent

MSHA Mine ID: 4105470

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Compliance record

MSHA citations since 2019

citations

significant & substantial

$22,669

proposed penalties

$2,295

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	S&S	Per 1M hrs
2025 Q4	2,865	0	0	0.0
2025 Q3	5,989	1	0	167.0
2025 Q2	1,900	0	0	0.0
2024 Q4	540	0	0	0.0
2024 Q3	590	0	0	0.0
2024 Q2	2,025	0	0	0.0
2024 Q1	2,757	2	1	725.4
2023 Q2	1,208	0	0	0.0

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

2 recorded

March 3, 2026 TX · Metal/Non-Metal cement worker, concrete worker, form man, mandoseal man Fatality · FALLING/SLIDING/ROLLING MATERIALS

North American Silica Sand, LLC · Struck by falling object

A contractor died after a concrete retaining wall collapsed into the excavated trench below crushing EE.

March 3, 2026 TX · Metal/Non-Metal cement worker, concrete worker, form man, mandoseal man Fatality · FALLING/SLIDING/ROLLING MATERIALS

North American Silica Sand, LLC · Struck by falling object

Unsure of what conditions contributed to the death