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Table 2

Example TRVs adopted by the INERIS for chronic exposure to chemical substances through inhalation.

Threshold TRV μg.m−3 Critical effect considered No-threshold TRV (μg.m−3)−1 Critical effect considered
Pb (lead) 1.20E-05 Renal tumours
Hg (mercury) 0.03 Neurological effects
As (arsenic) 0.015 Diminished intellectual capacity 0.0043 Pulmonary cancers
Ni (nickel) 0.09 Nasal and pulmonary lesions 2.60E-04 Pulmonary cancers
Cd (cadmium) 0.3 Pulmonary tumours

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