N R Hamm Quarry LLC · Over-exertion in lifting objects
OVER A TWO MONTH TIME PERIOD THE EMPLOYEE'S ARM STARTED TO HURT. HE NOTIFIED US ON 9-8-03 AND THEN WENT TO A DOCTOR. UPPER ARM OR SHOULDER STRAIN.
Onaga Quarry Metal/Non-Metal
Martin Marietta Materials, Inc.
· Surface
Controlled by
Martin Marietta Materials Inc
Onaga,
Pottawatomie County,
KS
·
Intermittent
MSHA Mine ID: 1401583
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- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2002–2003
- Latest incident
- Sep 2003
Compliance record
MSHA citations since 2002
95
citations
38
significant & substantial
$19,930
proposed penalties
$18,293
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 | 0 | 0 | 0 | |
| 2025 Q3 | 6 | 0 | 0 | 0.0 |
| 2025 Q2 | 917 | 0 | 0 | 0.0 |
| 2025 Q1 | 880 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,184 | 0 | 0 | 0.0 |
| 2024 Q3 | 3,949 | 2 | 0 | 506.5 |
| 2024 Q2 | 467 | 0 | 0 | 0.0 |
| 2023 Q4 | 170 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.
Reportable incidents
2 on file2003 · 1 incident
2002 · 1 incident
N R Hamm Quarry LLC · Struck by falling object
TAKING WEDGES OUT OF HAMMER MILL, WAS HOLDING ON TO WEDGE WHILE OTHER EMPLOYEE HIT WEDGE. WEDGE DROPPED ON EMPLOYEE'S HAND.