Columbia Rock & Aggregates Inc operator
Controlled by
Ronald M Wamberg
MSHA operator ID: L12077
Watch this operator
Email me when a new MSHA incident is filed at any Columbia Rock & Aggregates Inc mine.
- Fatalities
- 0
- Total incidents
- 8
- Mines on record
- 1
- Years on record
- 2000–2006
Compliance record
MSHA citations since 2000
78
citations
17
significant & substantial
$12,487
proposed penalties
$12,487
paid to date
Source: MSHA violations data, updated weekly.
Top causes
- HANDTOOLS (NONPOWERED) 3 non-fatal
- MACHINERY 3 non-fatal
- EXPLODING VESSELS UNDER PRESSURE 1 non-fatal
- POWERED HAULAGE 1 non-fatal
Incident timeline
2006
2
2005
1
2004
1
2002
1
2001
2
2000
1