| Frequency (in Hz) | Thresholds in dB HL (re: ANSI-1969) | ||||
---|---|---|---|---|---|---|
 |  | 1/16/87 | 8/9/02 | 8/12/02 | 11/11/02 | 11/10/03 |
Right ear | Â | Â | Â | Â | Â | Â |
 | 250 |  | 0 | 0 | 5 | 10 |
 | 500 | 5 | 0 | 0 | 0 | 0 |
 | 1000 | 0 | 5 | 0 | 0 | 0 |
 | 2000 | 0 | 0 | 0 | 0 | 0 |
 | 3000 | 0 | 10 |  |  | 0 |
 | 4000 | 0 | 25 | 0 | 5 | 0 |
 | 6000 | 10 | 40 | 10 | 10 | 10 |
 | 8000 | 10 | 55 | 45 | 30 | 20 |
Left ear | Â | Â | Â | Â | Â | Â |
 | 250 |  | 5 | 5 | 0 | 5 |
 | 500 | 10 | 5 | 5 | 0 | 0 |
 | 1000 | 5 | 10 | 0 | 10 | 5 |
 | 2000 | 0 | 5 | 5 | 5 | 0 |
 | 3000 | 5 |  |  |  | 10 |
 | 4000 | 5 | 15 | 15 | 10 | 15 |
 | 6000 | 10 |  |  | 20 | 25 |
 | 8000 | 35 | 30 | 25 | 35 | 30 |