Specifications include, but are not limited to: 2.1.Engineered wood fiber (EWF) product is to be manufactured specifically for impact attenuating surface application for the use zone under and around playground equipment. The product is to consist of 100% virgin wood, be of current manufacture, contain no moldy or decomposed wood fiber material, and contain no chemicals or preservatives. ; The product must also be suitable for and have been tested and certified to meet the requirements of ASTM F1951: Standard specification for determination of accessibility of surface systems under and around playground equipment. 2.3. Certification verification of the above specifications will be required at each delivery. 2.4. Individual deliveries may typically include volumes of 50 cubic yard (cy) through 400 cy to the various drop off locations within the State of Vermont.