Silica Submission 2267

Job Description
Hammering bridge deck after milling processes with 35 pound hammer on interstate 71.
Type of Work
Chipping
Control Methods
Natural Ventilation
Sampling Type
Area Sample (5'-10')
Environment
Outdoors
Lab Report ID
1059119
Total Sample Time
270minutes
Sampling Results RCS
29
Time Weighted Average
16.31
Base Material
Concrete
Submission ID Only
2267
Matching Base Material
Concrete
Matching Type of Work
Chipping