631. Prevention or control of exposure to lead.

631.     Prevention or control of exposure to lead.

Every employer1 must ensure that the exposure of his employees to lead2 is either prevented or, where this is not reasonably practicable3, adequately controlled4. In complying with this duty of prevention, substitution must by preference be undertaken, whereby the employer must avoid, so far as is reasonably practicable, the use of lead at the workplace5 by replacing it with a substance or process which, under the conditions of its use, either eliminates or reduces the risk6 to the health of his employees7. Where it is not reasonably practicable to prevent exposure to lead, the employer must comply with this duty of control by applying protection measures appropriate to the activity and consistent with the risk assessment8, including, in order of priority:

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    (1)     the design and use