You'll be just in time for the Mondial de la biere.
It's a huge beer festival that runs from June 4th - June 8th and it's about 5 mins away from the Delta.
http://www.festivalmondialbiere.qc.ca/EN/F_en.html
Admission is free.
Tasting coupons are $1 CDN each.
Most beers are 1-5 coupons to taste, and each taste is 3-4 ounces.
You can also pick up a tasting mug for $7 CDN.
It runs from noon to 11 pm each day.