Silica Submission 1284
Job Description
Drilled 156 (1/4" x 1 1/4") holes in concrete block to receive concrete hit pins while installing termination bar during flashing installation on an exterior brick veneer wall.
Type of Work
Drilling
Control Methods
Natural Ventilation
Sampling Type
Personal
Environment
Outdoors
Lab Report ID
1034966
Total Sample Time
449minutes
Webform Submission
Sampling Results RCS
8
Time Weighted Average
7.02
Base Material
Block
Submission ID Only
1284
Matching Base Material
Block
Matching Type of Work
Drilling