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Sanding Waste Management

This guide discusses hazardous waste in sanding, the potential presence of heavy metals, and the environmental and health concerns associated with sanding waste. It also covers best practices for dust control, sanding body filler, wet sanding, and vacuum sanding, with the aim of reducing environmental impact and ensuring worker health and safety.

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Sanding Waste Management

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  1. Sanding Waste Management

  2. Sanding WasteEnvironmental & Health Concerns • Hazardous waste • May contain heavy metals • Restoration shops - lead, cadmium, chromium, zinc • Shops working on newer cars • Newer paints contain less toxic materials, except zinc-based primers • Sanding zinc primers may generate non-RCRA waste • May be able to test or show non-hazardous • Storm water • Waste tracked outside • Sweeping or washing to parking lot, gutters, streets, storm drains • Worker Health and Safety • Dust particles in the air during sanding • Take home hazard –dust carried on clothing and footwear

  3. Block SandingDust Control Best practices • Sand in designated area • Clean up after each task • Wear PPE • Respirator, tyvek or coveralls Sanding body filler • Choose non-hazardous product • Separate from primer sanding waste, usually hazardous

  4. Sanding and Priming Area Sand in designated area to control waste

  5. Wet sanding Best Practices: • Squirt bottle • Minimizes water use • Collect wet sanding waste • Clarifier • Ensure adequate capacity and design • Inspect routinely and remove waste • Drip pans Container cost = $75.00 each

  6. Vacuum Sanding • Central Vacuum System • Works well for large shops • Consider work station placement • Tools and sandpaper for most needs • Clean shop, clean paint jobs • Allows worker to see surface clearly • Dust removal from surface pores- brush attachments

  7. Portable Vacuum Systems • Portable vacuum sanding units • May use for dedicated hazardous sanding waste collection • 1or 2 users • HEPA filtration system • $1500-$4000 • Shop-vac with HEPA filter • Clean-up after block sanding tasks • Least expensive

  8. Why Vacuum Sanding? • Increase production • Save labor and material costs • Cleaner paint jobs • Reduces: • Surface cleaning • Sandpaper use • Need to re-work • Maintain environmental compliance • Hazardous waste management and disposal • Storm water quality • Worker health & safety • Reduces airborne contaminants

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