MINNEAPOLIS (WCCO) - As the heatwave continues, some beaches are closing because of high E. coli levels. Bde Maka Ska's 32nd Street Beach is closed for a second time this summer. It's only one of ...

--(BUSINESS WIRE)--3M Food Safety today introduces the 3M™ Petrifilm™ Rapid E. coli ... agar or using special equipment to enumerate were just some of the advantages of the new plate.