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Pollution Prevention in Surface Preparation. Use water-based cleaners Use water-based cleaners to remove stubborn contaminants. New water-based cleaners: Stronger than traditional car wash soap Not as toxic as petroleum-based solvents.
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Pollution Prevention in Surface Preparation • Use water-based cleaners • Use water-based cleaners to remove stubborn contaminants. • New water-based cleaners: • Stronger than traditional car wash soap • Not as toxic as petroleum-based solvents. • Make sure that the cleaning product is compatible with the surface to be cleaned. Collision Repair - Surface Preparation 9-1(a)
Pollution Prevention in Surface Preparation • Many water-based cleaners are not recommended for use on water-based or acrylic lacquer finishes. • Always consult the product manufacturer for specific information. • Use solvent-based cleaners ONLY as a last resort • To remove heavy silicon and grease contamination. Collision Repair - Surface Preparation 9-1(b)
Pollution Prevention in Surface Preparation • Use only sparingly, spot clean. • Replace the lid on the solvent containers when not in use. • Keep solvent-laden dirty rags in a closed container prior to disposing. • may be hazardous (flammable) • Avoid painting sequences that require multiple pre-paint cleaning operations. Collision Repair - Surface Preparation 9-1(c)
Pollution Prevention in Surface Preparation • Conserve water when washing vehicles • Install water saving devices such as pressure-increasing nozzles • Discharge wastewater to the city sewer. • Do not dump wastewater outdoors • Do not discharge to a septic system or storm drain. Collision Repair - Surface Preparation 9-1(d)
Pollution Prevention in Surface Preparation • Reduce waste by using launderable cloth rags instead of disposable ones for surface cleaning. • All rags should be sized for the job -- cutting rags in half or in quarters can reduce waste. Collision Repair - Surface Preparation 9-1(e)
Wastes Generated in Surface Preparation • Wastewater & Sludge • May contain grease, oil, dirt, soaps and solvents. • Rags • May contain grease, paint, and solvents. • Solvents Cleaners • Paint Strippers & Paint Dust Collision Repair - Surface Preparation 9-2