The manure pit has been emptied and Ted now has to enter the manure pit to perform some maintenance work. He is hooked up to a lifeline and his colleague Sam is outside the pit ready to assist should a rescue become necessary. Do you notice any issues in this scenario? The pit if empty so there is no need for additional precautions

Ted is wearing a lifeline so there is no need for additional precautions

Sam should be wearing a self-contained breathing apparatus

Ted should be wearing a self-contained breathing apparatus​