Sorted and packed one 55 gallon drum with low contamination and active stuffs which are placed around silo area in the past. They include old poly water cooling lines replaced from ITE, ITW and TCS, contaminated paper  rags , gloves, and plastic bags,air cooling fans for turbo pumps, EE resistor packaged used on module top before, flow meters and cables used in ITW, etc. After packing, The field outside the drum on contact is less than 10 usv/hr.