Silica Submission 4232
Job Description
Roughing, Drilling, and chipping
Type of Work
Drilling
Control Methods
Natural Ventilation
Sampling Type
Area Sample (21'- 25')
Environment
Open Sided (free flow)
Lab Report ID
1829365002
Total Sample Time
499minutes
Webform Submission
Sampling Results RCS
9
Time Weighted Average
8.84
Base Material
Concrete
Submission ID Only
4232
Matching Base Material
Concrete
Matching Type of Work
Drilling