The U.S. Coast Guard announced the beginning of a program aimed at facilitating the installation of experimental shipboard ballast water treatment systems. Foreign and domestic vessel owners that participate in the program may be granted equivalencies to U.S. ballast water regulations for participating vessels. The Shipboard Technology Evaluation Program (STEP) is one of several Coast Guard initiatives aimed at reducing the introduction of nonindigenous species (NIS) to U.S. waters through ballast water. The impacts of NIS on our environment, food supply, economy, health and overall biodiversity of our waterways are significant and increasing. "This is one of the many things we are doing to protect our waters," said Capt.