King County Standards for Antifreeze: - Recycled through fractional distillation - Re-refined content - Shall meet or exceed ASTM E-1177 Standard Specification for Engine Coolant Grade Ethylene Glycol - Delivered in a concentrate that is not more than 5 percent water - Recycle spent antifreeze

1. Recycled Content If recycled ethylene glycol is used, it shall be recycled through fractional distillation, re-refined and shall meet or exceed ASTM E-1177 Standard Specification for Engine Coolant Grade Ethylene Glycol and be delivered in a concentrate that is not more than five (5%) percent water. On-site recycled product will not be considered. 2. Pick up of Waste Antifreeze The waste antifreeze generated at County Facilities is approximately 40% to 50% water, 50% to 60% ethylene glycol