Dust collector must provide the air flow recommended by the tool manufacturer, or greater, and have a filter with 99% or greater efficiency and a filter-cleaning mechanism. None APF 10 When used outdoors. − APF 10 APF 10 When used indoors or in an enclosed area. − (xi) Handheld grinders Use grinder equipped with commercially APF 10 APF 25 for mortar removal available shroud and dust collection system. (i.e., tuckpointing) Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism. (xii) Handheld For tasks performed outdoors only: grinders for uses other than mortar removal Use grinder equipped with integrated water delivery system None None that continuously feeds water to the grinding surface. Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions. OR Use grinder equipped with commercially available shroud and dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism. When used outdoors. − None None When used indoors or in an enclosed area. − None APF (xiii) Walk-behind Use machine equipped with integrated None None milling machines and water delivery system that continuously feeds water to the floor grinders cutting surface.
Dust collector must provide the air flow recommended by the tool manufacturer, or greater, and have a filter with 99% or greater efficiency and a filter-cleaning mechanism. − When used outdoors. − When used indoors or in an enclosed area. None APF 10 APF 10 APF 10 (xi) Handheld grinders for mortar removal (i.e., tuckpointing) Use grinder equipped with commercially available shroud and dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism. APF 10 APF 25 (xii) Handheld grinders for uses other than mortar removal For tasks performed outdoors only: Use grinder equipped with integrated water delivery system that continuously feeds water to the grinding surface. Operate and maintain tool in accordance with manufacturer’s instructions to minimize dust emissions. OR Use grinder equipped with commercially available shroud and dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism. − When used outdoors. − When used indoors or in an enclosed area. None None None None None APF (xiii) Walk-behind milling machines and floor grinders Use machine equipped with integrated water delivery system that continuously feeds water to the cutting surface. None None