Assessment and review duty in respect of dangerous substancesS
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6. Where a dangerous substance is or is liable to be present in the relevant premises, the matters which must be taken into account when a person carries out an assessment or a review under section 53 or 54 are–
(a)the hazardous properties of the substance;
(b)information on safety provided by the supplier, including information contained in any relevant safety data sheet;
(c)the circumstances of the work including–
(i)the special, technical and organisational measures and the substances used and their possible interactions;
(ii)the amount of the substance involved;
(iii)where the work will involve more than one dangerous substance, the risk presented by such substances in combination; and
(iv)the arrangements for the safe handling, storage and transport of dangerous substances and of waste containing dangerous substances;
(d)activities, such as maintenance, where there is the potential for a high level of risk;
(e)the effect of measures which have been or will be taken pursuant to the 2005 Act and to these Regulations;
(f)the likelihood that an explosive atmosphere will occur and its persistence;
(g)the likelihood that ignition sources, including electrostatic discharges, will be present and become active and effective;
(h)the scale of the anticipated effects;
(i)any places which are, or can be connected via openings to, places in which explosive atmospheres may occur; and
(j)such additional safety information as the person with duties under section 53 or 54 may need in order to complete the assessment or review.