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Sanding Waste Management

Sanding Waste Management. Sanding Waste Environmental & 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

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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 • Use efficient dust removal abrasive discs

  7. High Efficiency Sanding Discs

  8. Sanding Discs More dust is collected – more holes, more flow area Less dust is collected

  9. Portable Vacuum Systems • Portable vacuum sanding units • May use for dedicated hazardous sanding waste collection • Less expensive than central systems • Shop-vac with HEPA filter • Use block sanding tool attachments • Clean-up after block sanding tasks

  10. Portable ‘Dustless’ Systems Dynabrade Block sander- use with shop vac

  11. 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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