Smoke alarm awareness campaign. March 10 -March 31, 2019 enter to win, please find contest rules for Smoke alarm awareness campaign at link below. Drop off your old smoke alarm by Sunday March 31 at any Fire Station in Markham for your chance to enter the contest, we will also take them at the Earth Hour event on Saturday March 30th 7:15pm-8:30pm Cornell Community Centre- check the expiry date- push the button- change the batteries! Be safe!