Silica Submission 4299

Job Description
Cutting expansion joints in concrete.
Type of Work
Cutting
Control Methods
Local Exhaust Ventilation
Sampling Type
Area Sample (5'-10')
Environment
Enclosed All Sides (no flow)
Lab Report ID
L441405
Total Sample Time
133minutes
Sampling Results RCS
19
Time Weighted Average
5.26
Base Material
Concrete
Submission ID Only
4299
Matching Base Material
Concrete
Matching Type of Work
Cutting