[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.