Choose a pre-determined option from Table 1, based on your application, from OSHA Table 1 - Exposure Control Methods For Silica Dust
Utilize third-party performance or objective data to document that workers performing a particular application are in compliance with the permissible exposure limit of ≤ 50 μg/m3 averaged over an eight hour day.
Periodically test for a particular application to validate if the user falls under the permissible exposure limit of ≤ 50 μg/m3.
OSHA Table 1
Scheduled air monitoring
Objective data or performance testing