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In 1986 an activity was undertaken by ASTM Committee F08 to develop a standard specification for testing playground surfaces impact attenuation. This activity resulted in the 1991 publication of ASTM F-1292 “Standard Specification for Impact Attenuation of Surface Systems Under and Around Playground Equipment.” This specification sought to clarify the 1981 United States Consumer Product Safety Commission (CPSC) guideline recommendation of instrumented headform deceleration levels less than 200 G-max when tested at accelerations equal to play equipment critical heights. As such, it specifies test methodology to be used for surface testing to be conducted both in the laboratory and in the field and allows the determination of the maximum drop height at which G-max does not exceed 200. In the 1991 CPSC guideline recommendation, a second criteria of less than 1000 Head Injury Criteria (HIC) was added to the 200 G-max requirement. Revisions to ASTM F-1292 are currently being balloted to include this 1000 HIC requirement and attendant acquisition methodology.
Playground surfaces, impact attenuation, instrumented headform, play equipment critical heights, HIC, ASTM F-1292
Chief Chemist, Carlisle Tire & Rubber Company, Carlisle, PA