Smoke Generators from Superior Signal locate sources of surface inflow resulting in wet-weather sanitary sewer overflows. A fast, inexpensive, and easy way to find leaks and faults in collections systems, smoke candles provide visible smoke to detect more faults at longer distances in sizes to meet any need. Smoke candles, blowers and fluid systems for smoke testing are available. 800-945-8378; www.superiorsignal.com.