 Your local events update on 1310 KNOX brought to you by M&K Port-A-Potties, your local port-a-potty poo-fessionals. Dagman Blood Bank. Don't let the heat stop you from donating at the Dagman Blood Bank. All donors receive free cholesterol screenings and a free large fry or medium frozen beverage from McDonald's. Dagman Blood Bank is the provider of blood and blood products for all true hospital. Saving the world isn't easy. Saving a life is. Located on Demers Avenue, call 780-LIFE today. Dagman Blood Bank.