Silica Submission 1556

Job Description
Area 20-30 feet from workers using Clean Sweep while using claw hammer to scrape excess concrete @ joints/ sweep / shovel dust/debris into 2 CY trash hopper.
Type of Work
Other
Control Methods
Wet Method
Sampling Type
Area Sample (26'-30')
Environment
Enclosed All Sides (no flow)
Lab Report ID
L432140-4
Total Sample Time
496minutes
Sampling Results RCS
5
Time Weighted Average
5.00
Base Material
Concrete
Submission ID Only
1556
Matching Base Material
Concrete
Matching Type of Work
Other