The discovery was made on Sunday.
Over 40 cans of 'laughing gas' have been found in an Offaly town.
Edenderry Tidy Towns made the discovery on Sunday behind the Dunnes Stores Shopping Centre in the area during their weekly cleanup.
The gas formally known as nitrous oxide can cause a short term 'hit" when inhaled, with calls for Justice Commitee to consider a bill to restrict its sale without proper registration.
Chair of the group Stephen Savage moved to the town from Dublin two years ago - he says they're concerned about their use among teenagers:
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