Silica Submission 1680

Job Description
Employee was making temporary walls by hammer drilling 2x4's into concrete deck.
Type of Work
Drilling
Control Methods
General Mechanical
Sampling Type
Personal
Environment
Open Sided (free flow)
Lab Report ID
L432593-1
Total Sample Time
960minutes
Sampling Results RCS
5
Time Weighted Average
10.00
Base Material
Concrete
Submission ID Only
1680
Matching Base Material
Concrete
Matching Type of Work
Drilling