Personal Injury: Quantum Case. Noise induced hearing loss. PSLA of £6,000. Employer's liability. The claimant suffered a NIHL of 7.3dB over 1–4 kHz only. There was no loss over 1–3 kHz. Isolated notch at 6 kHz in the right ear with a HTL of 70dB No tinnitus. The judge accepted that but for the noise exposure hearing loss would have been better than the 75th centile.