INTERPOLL LABORATORIES, INC. 4500 Ball Road NE Circle Pines, Minnesota 55014 Tel: (763) 786-6020 Fax: (763) 786-7854 Welcome to our Home Page. Listed below are the various departments and services which we offer, please browse through our various services. Pharmaceutical Services Chemistry Services Field Testing Stationary Source Testing Thank You! If you have comments or suggestions, email us ...