Silica Submission 1350

Job Description
Area Sample 20-feet from concrete floor grinding, vacuuming concrete dust generated.
Type of Work
Grinding
Control Methods
Natural Ventilation
Sampling Type
Area Sample (16'-20')
Environment
Indoors (limited flow)
Lab Report ID
L429381-3
Total Sample Time
393minutes
Sampling Results RCS
9
Time Weighted Average
7.29
Base Material
Concrete
Submission ID Only
1350
Matching Base Material
Concrete
Matching Type of Work
Grinding