Sundays, April 30 and May 7, Birch Bay Drop Box Facility and Recycling Center, 4297 Birch Bay-Lynden Road. Recyclable auto or small truck tires limited to 15 per household, per event. No commercial/business, semi-truck and tractor tires and no after-hour drop off. Bring formal proof of Whatcom County residency. Info: 360/778-6033.