a8c63484_tment_Program_Automotive_Waste__Recycling_or_disposal
[Waste type] Antifreeze [Hazard] Contains ethylene glycol, which is toxic. Animals are attracted to its sweet taste. [Storage] Store in the original plastic containers. Use large enough pan when flushing radiator. Repair radiator leaks. [How to clean up spills] Small spills may be wiped up and discarded in the garbage. Propylene glycol based antifreeze is less toxic; however, it is a contaminant in ethylene glycol recycling. [Recycling or disposal] 
Recyclable on a limited basis. Use professional services that recycle antifreeze. Check with sewer district to see if you can flush small amounts into sewer system. Do not flush into septic tank.
City of Lawton Industrial Pretreatment Program Automotive Waste
Recycling or disposal