Silica Submission 1552

Job Description
Demolition of block wall. Pockets of block wall filled with masonry sand. HEPA air filtration devices used for ventilation.
Type of Work
Chipping
Control Methods
Local Exhaust Ventilation
Sampling Type
Personal
Environment
Indoors (no flow)
Lab Report ID
281702510
Total Sample Time
425minutes
Sampling Results RCS
240
Time Weighted Average
213.00
Base Material
Block
Submission ID Only
1552
Matching Base Material
Block
Matching Type of Work
Chipping