Silica Submission 12889
Job Description
chipping concrete in a partially enclosed parking garage with chipping hammers, and spraying water every 2-5 minutes
Control Methods
Wet Method
Sampling Type
Personal
Environment
Enclosed Open Sided (limited flow)
Lab Report ID
1218904
Total Sample Time
330minutes
Sampling Results RCS
86
Time Weighted Average
59.13
Submission ID Only
12889
Matching Base Material
Concrete
Matching Type of Work
Chipping