Green became unconscious an hour later at the station, from overdosing on what police said they believe was fentanyl, a powerful drug often used to lace heroin.
The police report says that after officers blocked a blue Monte Carlo, Justin Buckle, 25, and his passenger, Cortez Collins, 24, attempted to dispose of the evidence.
After arresting the men, Green and other officers carefully followed station protocol for handing drugs by wearing gloves and masks as they investigated the vehicle for evidence, authorities said.
While standing around waiting for the ambulance, someone told Green he had some white powder on his shirt, and Green, not thinking, immediately brushed it off with his bare hands.
A total of four doses of narcan had to be administered to completely revive Green.
Green was given one dose of Narcan at the police station, and then an ambulance rushed him to a local hospital, where he was given three additional doses of Narcan, officials said.
The drug threatens the safety of police and first responders.
"I started talking weird".
Paramedics were already at the station tending to Justin Buckle, 25, the driver of the auto, and diverted their attention to Green.
Fentanyl and carfentanil have been blamed in part for exacerbating America's deadly opioid epidemic.
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An Ohio police officer almost died after accidentally overdosing on fentanyl. I could hear them talking, but I couldn't respond.
The powdered narcotics had spread throughout the suspect's auto, and apparently on officer Green as well.
"I remember seeing my chief, and colleagues, and my fiancée was balling her eyes out and I knew something bad just happened", Green said.
"I still don't remember anything from Saturday", Green said. However, testing at the scene showed it was fentanyl, a synthetic opioid 100 times more powerful than morphine.
Detective Orick says they use gloves, glasses and even masks occasionally to keep a barrier between them and the drugs.
"He's lying on the couch", Lane said.
Police agencies on the lookout for new heroin-laced drug, 'Gray Death'.
"We're going to try and seize that vehicle and destroy it".
Buckle and Collins have been charged with tampering with evidence.
Green's frightening drug accident has led to a change of policy at the police department.