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Wastewater P2

Learn how to prevent environmental concerns and control wastewater in automotive shops. Discover strategies to handle heavy metals, toxic chemicals, and oil spills, and implement effective spill prevention techniques. Additionally, find out how to maintain clean floors, control sanding waste, provide proper training, and manage car washing wastewater. Adopting these practices will protect ecosystems, prevent violations, and ensure a positive community image.

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Wastewater P2

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  1. Wastewater P2

  2. Environmental Concerns • Heavy metals from sanding waste • Oil, grease, and coolant from vehicles • Toxic chemicals from cleaners, strippers, solvents, and paints • Soaps from car washing

  3. Spill Prevention - Storage • Closed containers • Hazardous materials • Secondary containment • Inspect for leaks and spills

  4. Spill Prevention – Stored Vehicles Use drip pans and vehicle spill control procedures • Check-in vehicles • Put down drip pan as needed • Note disconnected hoses and leaks for other shop employees

  5. Spills • Develop spill response Policy & Procedures • Include training • Clean up drips and small spills right away • Mark drains • Drain inserts

  6. Drain Inserts • Last line of defense • Make sure BMPs and spill prevention practices are in place upstream • Inspect regularly and clean or replace insert

  7. Maintain Clean Floors • Prevents tracking • Routine cleaning • Schedule time • Vacuum or Sweep • Clean up spills right away • Seal floors

  8. Control Sanding Waste • Sand in designated areas for better control • Vacuum sanding • Block sanding- collect waste after each task • Provides cleaner paint jobs • Reduces need to re-work • Prevents tracking and spreading

  9. Control Sanding Waste • Wet sanding –minimize water use • Squirt bottle and drip pan • Collect in clarifier • Inspect and service clarifier • Dispose of sludge properly, test to determine if hazardous waste

  10. Training • Shop specific • Hazardous materials handling • Spill prevention • Spill response in your shop • Location of spill equipment • Drain covers, emergency containment • Routine safety meetings • Compliance and P2 workshops

  11. Car Washing • Contain wash water • Bermed and covered wash area • Wash water flows away from gutters, streets, storm drains • Portable wash pad • Discharge to sewer • Closed loop water recycling system • Clarifier or oil water separator • Inspect and service regularly

  12. Portable wash pad

  13. Bermed Wash Area

  14. Wash Areas • Pump water to sewer • Use low toxicity soap • Soapy water only • Check with local sewer agency • Minimize water use • Cover in winter, rainy weather • Clean out before winter storms

  15. Wastewater P2 • Protect ecosystems and groundwater supplies • Prevent violations, fines and penalties • Industry-focused inspections from local agencies • Be a good neighbor • Helps with community relations • Gain and keep customers

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