How should waste containing Pyrethrin 2 (CAS: 121-29-9) be handled?

Waste containing Pyrethrin 2 (CAS: 121-29-9) should be collected in appropriate containers and stored in a well-ventilated area away from heat sources and ignition. Neutralization with a base may be necessary to reduce acidity before disposal. For large quantities, professional waste disposal services should be contacted to ensure safe and environmentally responsible disposal methods are used, complying with local regulations.