Silica Submission 1188
Job Description
Drilled 23 holes 1/4" diameter into concrete at ground level
Type of Work
Drilling
Control Methods
Natural Ventilation
Sampling Type
Personal
Environment
Indoors (limited flow)
Lab Report ID
17101090-01
Total Sample Time
510minutes
Webform Submission
Sampling Results RCS
7
Time Weighted Average
7.86
Base Material
Concrete
Submission ID Only
1188
Matching Base Material
Concrete
Matching Type of Work
Drilling