Table 1 matches common construction tasks like concrete cutting, drilling, and grinding with recommended dust control methods, therefore employers know exactly what they need to do to limit worker exposure to silica. Per OSHA’s Fact Sheet, employers who follow Table 1 correctly are not required to measure workers’ exposure to silica and are not subject to the PEL.
WHAT EQUIPMENT IS REQUIRED TO COMPLY WITH TABLE 1?
- For wet applications, Table 1 typically specifies equipment with an integrated water delivery system for continuous water feed to the cutting tool. Example: The DEX system on a Husqvarna K 760 handheld power cutter connected to a Husqvarna WT 15 battery-powered water tank.
- For dry applications, Table 1 typically specifies equipment with commercially available shroud, cowling or integrated dust collection system connected to a dust collector providing the air flow recommended by the tool manufacturer, or greater, having a filter with 99% or greater efficiency and a filter-cleaning mechanism. Example: A Husqvarna DM 220 handheld core drill connected to a Husqvarna S 26 HEPA dust extractor.
- In some operations, respirators may also be needed.