3/F/02: FAILURE TO RECOVER ANY REMAINING REFRIGERANT FROM APPLIANCES OBTAINED FOR THE PURPOSE OF SALVAGE OR DISPOSAL; FAILURE TO VERIFY THAT THE REFRIGERANT HAD BEEN EVACUATED PREVIOUSLY BY OBTAINING SIGNED STATEMENTS OR HAVING WRITTEN CONTRACTS WITH ITS SUPPLIERS; FAILURE TO PROVIDE WRITTEN NOTIFICATION, SUCH AS WARNING SIGNS OR LETTERS TO SUPPLIERS THAT REFRIGERANT MUST BE PROPERLY REMOVED PRIOR TO DELIVERY TO THE FACILITY.