1.1 This terminology defines soils and turfgrass related terms for use in the development of standards for sports and natural playing surfaces. This standard includes soils and related agronomic terms that pertain to natural surfaces used for sports and may include those surfaces supporting the growth of turfgrass or unvegetated (bare) playing surfaces that are constructed with natural materials.

1.2 The terms defined in this terminology standard are appropriate for use by sports field development professionals, owners and institutions, installers and contractors and other practitioners in matters concerning natural surfaces evaluations, test methods, specifications, maintenance and construction.