Silica Submission 1287

Job Description
Drilling and anchoring into block for install of a 14x11 full vertical door, and removal of anchors from a full slider package
Drilled 28, 3/8" holes and anchored 28 1 7/8" anchors for install
Removed 10, 1 7/8" anchors from slider package
Type of Work
Drilling
Control Methods
None
Sampling Type
Personal
Environment
Open Sided (free flow)
Lab Report ID
1033549
Total Sample Time
410minutes
Sampling Results RCS
7
Time Weighted Average
6.32
Base Material
Block
Submission ID Only
1287
Matching Base Material
Block
Matching Type of Work
Drilling