Scientists who test drug seizures for the Gardaí say they're struggling to deal with a massive backlog.
It's after the setting up of a national DNA database.
A State Lab worker has told The Irish Times they're trying to encourage presumptive testing.
That's where a person caught with drugs can admit the substance is illegal without the need for analysis.
Senior scientist John Power has also said the use of cocaine has returned to boom time levels.
“I actually think you could do a measure of cocaine popularity as an index for the national economy. When the economy collapsed in 2009 we reverted to traditional drugs, alcohol and cannabis, which was grown locally. No one had money any more for cocaine. Now Ireland has one the highest rates of cocaine use among young people in Europe. We’re on the up. The boom is back.”