ZipWall's Protective Floor Mat Refill Pads have an adhesive surface captures dust on contact and prevents tracking it in and out of the work area. The EPA recommends the use of tacky mats to help comply with its Lead Renovation, Repair and Painting Rule (RRP Rule), which requires that renovation firms use precautions to ensure that all personnel, tools, and other items are free of dust and debris before leaving the work area. These sticky door mats comply with these rules and regulars, which will keep your workspace free from loose dirt and trash.