Quoted from the article:

However, despite Hassan’s argument that urine tests did not test impairment or whether a worker was under the influence of cannabis, Blick said it was reasonable for Atlas to rely on the testing as it did.

“It is important not to lose sight about why these tests are undertaken – for safety reasons.”

Blick said a fair and reasonable employer could have concluded Hadfield’s non-negative test result met the definition of “attending work under the influence” of drugs and his dismissal was not substantively unjustified.

Procedurally, however, Atlas had failed in several areas, she said.