Sorbant Disposal Bags hold spent sorbant from four SPE columns  while allowing solvents to evaporate overnight in a hood.  Dispose of the empty SPE columns and Disposal Bags using your internal hazardous waste SOPs and SDS guidelines.  
Sorbant Disposal Bags are available at: https://www.ankom.com/product-catalog/sorbent-disposal-bag-20-count