Lewisburg, Pa. (November 21, 2008) – In collaboration with Playworld Systems, Inc. and Playground Specialists, Inc, St. Mary’s County Public Schools has installed the very first Playworld Systems’ PVC free playground at Town Creek Elementary School in Lexington Park, Maryland. The environmental friendly playground is part of St. Mary’s County Public Schools’ dedication and initiative to design, build, and operate schools that provide highly productive learning environments which are energy efficient.