IFSP_English

For adjudication purposes, hearing impairment is disabling when pure tone thresholds at 500, 1000, 2000, 3000, or 4000 Hz are 40 dB HL or greater; or when pure tone thresholds for at least three of these frequencies are 26 dB HL or greater; or when speech recognition scores are less than 94%. 5.10 How is the degree of hearing impairment classified? ................
................