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7.5 Manual aerosol can puncturing device procedure Manual can puncturing units do not require power and are manually operated. Unit operation • Secure puncturing device to the top of a rust-free 55-gallon,closed-top drum to collect the aerosol liquids. • Facility staff shall use extreme caution while loading aerosol cans into puncturing cylinder or appropriate puncturing compartment. • Push the lever to activate the puncturing device. • Allow a few seconds of contact time before releasing the lever to raise the puncturing pin. • Completely empty can by allowing contents to drain into the 55-gallon containment drum. • Remove punctured can from unit and air dry in a well-ventilated area prior to recycling. • Full 55-gallon drums may be disposed of using the state-contracted HW disposal company. 7.6 AAt-rhanira!aerosol-Gan-puncturing deyi Gen edure sealed eylindeF.This eylindff is FuPlUFed and eFushed into a thiek wafer by a piston.The prepellan and eeneentfate then pass thfough a eheek valve in the piston and are eelleeted in a presstife tank.A before the,.peeing the cylinder. Unit epeFatiGn Cheek the hydfaulie oil level and ensufe the guides afe gfeased. Seeufe puneutfing deviee to the top of a fust free 55 gallon dfum to eelleet the aefesel liquids. Gans Effe disehafged ffaffi unit.Aif dfy euipty eans in a well ventilated afea pfief to feeyeling. Full 55 gallon dfums may be disposed of using the state eetufaeted KIW disposal eempauy, 7.6-7 Managing empty and drained aerosol cans Empty,steel aerosol cans are accepted by the steel industry;verify with local recycling programs. Prior to recycling cans,completely empty and remove the plastic lid.Spray nozzles do not need to be removed.Residues remaining in aerosol can may be subject to federal and state regulations so complete product drainage is recommended. 4.6 Aerosol Can Puncturing Procedures 6