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“But the operational part from next year is going to be an even bigger challenge, because we don’t have the mechanisms in place for testing drivers, testing people in the workplace where there’s been an incident,” Morgan said.

“We know that in some jurisdictions they’re using a swab, but we’d have to identify how accurate the swabs are, will we be able to have access to enough of them, are they reliable. Just the mechanics of getting it up to speed is going to be huge.”

People who have contacted the government are concerned about pot in the hands of children, Morgan said. The default age under the legislation is 18, but some say it should be higher to safeguard developing brains. He also worries about second-hand marijuana smoke, he said.

The Saskatchewan Medical Association at its spring representative assembly called for the legal age of use to be set at 21, president Joanne Sivertson said.

“There’s evidence out there that prolonged use of marijuana can have negative effects on a developing brain, and we know the brain develops well into a person’s 20s.”

The SMA also wants the same consideration given to pot as is given to alcohol when it comes to packaging and labelling that doesn’t target youth, and perhaps limits to the hours and locations marijuana is available, she said.

In an emailed statement, Saskatoon city police spokeswoman Kelsie Fraser said the police force “has not had a chance to review the provincial survey as it relates to the question of regulations and legislation. Some of the issues that we raised at meetings in Ottawa last week surround the need for public education, the impact on and cost of training, and our concerns about impaired driving and personal cultivation.”