For more than 60 years, Superior Signal’s Superior Smoke testing technique has been used by municipalities in the U.S. and around the world. Hundreds of millions of feet of sanitary sewer mains have been effectively tested using Superior Smoke products, eliminating countless faults and the costly sanitary sewer overflows that would result. Smoke testing is the fastest and most cost-effective method to find all sources of surface inflow to sanitary sewers: Anywhere that...