EPA's Lean Management System (ELMS) is a means to promote continuous improvement. It consists of Lean tools and behaviors that assist organizations with sustaining lean activities and ultimately leads to an efficient organization. Our Lean Management System is a complement to Lean activities and is seen as a constant driver towards excellence. Read more in the fact sheet PDF below.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.