Document Information Documents Effects of Multiple Exposures to Pile Driving Noise on Harbor Porpoise Hearing during Simulated Flights—An Evaluation Tool ASCOBANS/NSG9/Inf.3.5b ASCOBANS Jan 18, 2021 Public files ascobans_nsg9_inf3.5b_effects-pile-driving-tool.pdf 1.53 MB Jan 18, 2021 Related content Meetings 1 9th Meeting of the North Sea Group 20 - 21 Jan 2021 Virtual / Online Species Harbour Porpoise Harbour Porpoise