They have bee used in previous years to identify dangerous substances.
Drug testing tents will be open at Electric Picnic again this year.
The HSE and Garda-run facilities have been used in previous years to identify dangerous drug batches at the festival and notify those in attendance.
People are asked to surrender drugs at the tents in the Main Arena and the Jimi Hendrix campsite over the weekend, with the surrender bins also located at the onsite medical spaces.
Superintendent Eamonn Curley says this doesn't mean it's okay to use or carry drugs on you at the festival:
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