Pollution Prevention for Paint Body Shops Pollution Prevention

Pollution Prevention for Paint & Body Shops Pollution Prevention Miami-Dade County Department of Environmental Resources Management for Paint & Body Shops There is always a better way!

Types of Waste • • Paint filters Paint solvents Masking Pollution Prevention for Paint & Body Shops There is always a better way!

Types of Waste Pollution Prevention for • • Used coolant Used oil Oil filters Spill dry Shop rags Cleaning solvents Spray solvent • • • Washwater Refrigerants Scrap parts Batteries Tires Paint & Body Shops There is always a better way!

Transfer Efficiency • How much paint actually coats surface vs. paint sprayed • Benefits Pollution Prevention for Paint & Body Shops – Buy less paint – Replace filter less frequently – Easier and less booth clean-up • Factors: training, equipment, maintenance, geometry There is always a better way!

Paint Formulation & Mixing • Solids content • Water-based primers (& topcoats? ) Pollution Prevention for • Don’t add excess thinner • Better estimate amount needed • Provide excess as touch-up paint Paint & Body Shops There is always a better way!

Paint Equipment • Spray guns – conventional – High-Volume Low-Pressure – air-assisted airless Pollution • Electrostatics Prevention for Paint & Body Shops There is always a better way!

Painter Training Pollution Prevention for Paint & • Clean and maintain equipment • Minimum air pressure for correct atomization • Perpendicular to surface (no arcs) • Uniform distance, speed, and overlap • Personal Protective Equipment Body Shops There is always a better way!

Paint Booths • Painting and priming in booth • Filter intake air and exhaust air • Keep booth clean Pollution Prevention for Paint & Body Shops – no other work (e. g. sanding) – damp clean – no drain holes to ground – dust off workers entering • Design criteria There is always a better way!

Paint Booth Filters Pollution Prevention • • • Increase transfer efficiency Use non-hazardous paint Use graduated density filters Use baffles in front of filters Use Styrofoam filters for Paint & Body Shops There is always a better way!

Line Cleaning Pollution Prevention for Paint & Body Shops • • Schedule painting from light to dark Use paint cups or shorter lines Blow paint out of lines and reuse Use “dirty” solvent for first cleaning Use recirculating gun washer Evaluate distillation unit Water-based formulations There is always a better way!

Washwater (from floor cleaning) • Use better housekeeping and spill prevention • Use less water Pollution Prevention for Paint & Body Shops – dry cleanup when possible – mop and bucket – high-pressure low-flow nozzle • Use vacuum floor cleaner • Watch out: emulsifying cleaner There is always a better way!

Washwater (from vehicle cleaning) • Wash only when needed • Reuse Pollution Prevention for Paint & – recirculating wash system – fresh water rinse as makeup water – old wash water for engine cleaning • Watch out: emulsifying cleaners • Covered collection pad Body Shops There is always a better way!

Hand Washing • • Wipe in rags first Solvents strip natural oils Are you on septic tank? Use gloves Pollution Prevention for Paint & Body Shops There is always a better way!

Fluid Spills (“spill dry”) Pollution Prevention for Paint & Body Shops • • Prevent spills Practice better housekeeping Use drip pans Use absorbent booms ("pigs") Use reusable absorbents Investigate peat absorbent Wipe up as much as possible There is always a better way!

Shop rags/towels • Use inventory control • Segregate from liquid wastes • Use industrial laundry Pollution Prevention for Paint & Body Shops There is always a better way!

Spray Cleaners (brake, carb. . . ) • • Use only when needed Use inventory control Try pump sprays Use alternative cleaners Pollution Prevention for Paint & Body Shops There is always a better way!

Refrigerants • • Repair A/C leaks Use recovery / recycle equipment Technician certification Use alternative refrigerant Pollution Prevention for Paint & Body Shops There is always a better way!

Used and Scrap Parts • Store properly – remove and collect fluids – keep out of the weather • Recycle old parts as scrap metal Pollution Prevention for Paint & – brake drums – tire weights – etc. Body Shops There is always a better way!

Pollution Prevention for Paint & Body Shops There is always a better way!