{"1":{"1":"Low-risk activities are those in which workers are exposed to lead but the airborne exposure is not likely to exceed the eight-hour exposure limit (0.05 mg\/ m3). These include:","2":"\u2022 Applying lead-containing paint with a brush or roller","3":"\u2022 Installing or removing sheet metal that contains lead","4":"\u2022 Operating an excavator (within the cab) during building demolition Transporting sealed containers of lead waste","5":"","6":"","7":""},"2":{"1":"These include:","2":"\u2022 Removing lead materials using a power tool with an effective dust collection system and HEPA filter","3":"\u2022 Scraping or sanding (including wet sanding) of lead-containing coatings using non-powered hand tools","4":"\u2022 Welding, burning, or cutting of surfaces from which lead- containing coatings have been removed","5":"","6":"","7":""},"3":{"1":"These include:","2":"\u2022 Removing lead-containing coatings with a chemical gel or paste by hand","3":"\u2022 Removing lead-containing coatings with a heat gun","4":"\u2022 Scraping or sanding lead-containing materials using non-powered hand tools (large projects)","5":"\u2022 Manually demolishing lead-painted plaster walls or building components using a sledgehammer or similar tool","6":"\u2022 Cleaning up and removing lead- containing dust and debris","7":""},"4":{"1":"These include:","2":"\u2022 Spraying on lead-containing coatings","3":"\u2022 Using an electrical or pneumatic cutting device for dry removal of mortar that contains lead","4":"\u2022 Removing lead-containing materials using power tools without an effective dust collection system equipped with a HEPA filter","5":"\u2022 Removing or repairing ventilation systems used for controlling lead exposure","6":"\u2022 Demolishing or cleaning up facilities where lead-containing products were manufactured","7":"\u2022 Removing lead-containing surface coatings using a high-pressure waterjet"}}