Working Group on Ground Impedance and Attenuation of Sound due to the Ground
Chair: K. Attenborough
Vice-chair: K. M. Li
Scope: Develop and maintain standards and recommended procedures and instrumentation for the measurement of ground impedance and for the characterization of the attenuation of sound propagating in the presence of the ground. Procedures are intended to cover a wide variety of natural ground surfaces outdoors. Liaison with parallel work in IEC and/or ISO. Coordination of the US vote on related or parallel international standards.
Responsible for the following published standards: