Silica Submission 3362
Job Description
4 man crew chipping concrete around bridge expansion dam, 4 (35 lb hammers), 2 man vac truck operation sucking up small concrete debris from inside dams being hammered out
Type of Work
Chipping
Control Methods
Natural Ventilation
Sampling Type
Area Sample (11'-15')
Environment
Outdoors
Lab Report ID
1706683-01
Total Sample Time
556minutes
Webform Submission
Sampling Results RCS
70
Time Weighted Average
81.32
Base Material
Concrete
Submission ID Only
3362
Matching Base Material
Concrete
Matching Type of Work
Chipping