Document ID: chunk:federal_register_of_legislation:F2023C00151:reg:4000:p7
Version: federal_register_of_legislation:F2023C00151
Segment Type: reg
Provision Reference: reg 4000 (pt 7/8)
Character Range: 295712–302440

20   25   30   35   40   45   50   55   60   65   70   75   80   85   90    >=95
<=15                                                                                                                            0.0
 20                                                                                                                             0.2   0.3
 25                                                                                                                             0.3   0.5   0.7
 30                                                                                                                             0.5   0.7   1.0  1.4
 35                                                                                                                             0.7   0.9   1.2  1.7  2.3
 40                                                                                                                             0.8   1.1   1.5  2.0  2.5  3.2
 45                                                                                                                             1.0   1.3   1.7  2.2  2.7  3.4  4.1
 50                                                                                                                             1.1   1.4   1.9  2.3  2.9  3.5  4.2  4.8
 55                                                                                                                             1.2   1.6   2.0  2.5  3.0  3.6  4.3  4.9  5.6
 60                                                                                                                             1.3   1.7   2.1  2.6  3.1  3.7  4.4  5.0  5.6  6.3
 65                                                                                                                             1.4   1.8   2.2  2.7  3.2  3.8  4.4  5.1  5.7  6.4  7.0
 70                                                                                                                             1.5   1.8   2.3  2.8  3.3  3.9  4.5  5.2  5.8  6.5  7.1  7.7
 75                                                                                                                             1.5   1.9   2.3  2.8  3.4  4.0  4.6  5.2  5.9  6.6  7.2  7.8  8.4
 80                                                                                                                             1.6   2.0   2.4  2.9  3.4  4.0  4.7  5.3  6.0  6.6  7.3  8.0  8.6  9.1
 85                                                                                                                             1.6   2.0   2.5  3.0  3.5  4.1  4.7  5.4  6.0  6.7  7.4  8.1  8.7  9.2  9.5
 90                                                                                                                             1.7   2.1   2.5  3.0  3.5  4.1  4.7  5.4  6.1  6.8  7.5  8.2  8.8  9.2  9.6  9.8
>=95                                                                                                                            1.7   2.1   2.6  3.0  3.6  4.1  4.7  5.4  6.1  6.8  7.5  8.2  8.8  9.3  9.6  9.8  10.0
                                                                                                                                <=15  20    25   30   35   40   45   50   55   60   65   70   75   80   85   90   >=95

Note: the worse ear is the one with the higher value HTL!

APHL may be age adjusted

Table 7.1.8 4000 Hz
Values of percentage of loss of hearing corresponding to given hearing threshold levels in the better and worse ear at 4000 Hz
HTL — Better ear
 HTL — Worse ear                                                                                                                      <=20  25   30   35   40   45   50   55   60   65   70   75   80   85   90    >=95
<=20                                                                                                                            0.0
 25                                                                                                                             0.2   0.3
 30                                                                                                                             0.3   0.5   0.8
 35                                                                                                                             0.5   0.7   1.0  1.5
 40                                                                                                                             0.6   0.9   1.3  1.8  2.5
 45                                                                                                                             0.8   1.1   1.5  2.1  2.7  3.5
 50                                                                                                                             0.9   1.3   1.7  2.3  2.9  3.6  4.4
 55                                                                                                                             1.0   1.4   1.9  2.4  3.1  3.8  4.5  5.2
 60                                                                                                                             1.2   1.5   2.0  2.6  3.2  3.9  4.6  5.3  6.0
 65                                                                                                                             1.2   1.6   2.1  2.7  3.3  3.9  4.6  5.3  6.0  6.7
 70                                                                                                                             1.3   1.7   2.2  2.7  3.4  4.0  4.7  5.4  6.1  6.8  7.5
 75                                                                                                                             1.4   1.8   2.3  2.8  3.4  4.1  4.8  5.5  6.2  6.9  7.6  8.2
 80                                                                                                                             1.4   1.9   2.3  2.9  3.5  4.2  4.9  5.6  6.3  7.0  7.7  8.4  8.9
 85                                                                                                                             1.5   1.9   2.4  3.0  3.6  4.2  4.9  5.7  6.4  7.1  7.8  8.5  9.0  9.5
 90                                                                                                                             1.6   2.0   2.5  3.0  3.6  4.3  5.0  5.7  6.5  7.2  7.9  8.6  9.1  9.5  9.8
>=95                                                                                                                            1.6   2.0   2.5  3.1  3.7  4.3  5.0  5.7  6.5  7.2  8.0  8.7  9.2  9.6  9.8  10.0
                                                                                                                                <=20  25    30   35   40   45   50   55   60   65   70   75   80   85   90   >=95

Note: the worse ear is the one with the higher value HTL!