Bridget McClure in Kersey, Pennsylvania.
OSHA confirms they have officials on scene at the Greentree Landfill in Kersey investigating. OSHA said they are gathering information and a complete investigation could take up to six months.
Ridgway State Police said the search and rescue for the missing man in the landfill continues.
Police have not identified him but said he was operating a large compactor at the time of the accident. Officials believe he is still inside that machine.
According to the Salvation Army, the man and vehicle were buried approximately 100-150 feet under all the waste.
State Police, emergency officials and large pieces of equipment have been making their way to the landfill all morning long.
The rescue started around 2:30 p.m. Wednesday.