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5-fold (450%) higher than the inhalation exposure at the current short-term UK occupational exposure limit (15-min, 70 [micro]g NCO/[m. Twenty-seven hazardous substances will be introduced or updated in the Ministry of Labour's occupational exposure limits ( An occupational exposure limit of 85 dB for eight hours should protect most people against a permanent hearing impairment induced by noise after 40 years of occupational exposure. |
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