The Centers for Disease Control and Prevention (CDC) and the National Institute for Occupational Safety and Health (NIOSH) noise exposure standards to prevent hearing loss. For the 115 decibel noise level of the F-35 (Air Force Environmental Impact Statement ES-11) the maximum exposure to prevent hearing loss is 28 seconds. These are adult standards. Children are far more vulnerable.
Children and Noise – World Health Organization Characterization of Ambient Air Toxics in Neighborhoods Abutting T. F. Green Airport [Rhode Island] and Comparison Sites