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Part D (Toxic substances)

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These Approved Documents have been amended because of the introduction of the revised Approved Document supporting regulation 7 (Materials and Workmanship).
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Technical guidance on Schedule 1 of the Building Regulations about toxic substances.

This Approved Document covers requirements on cavity insulation and preventing toxic fumes from materials affecting people living in a building.  

The document also mentions other standards that can be used for compliances purposes.

Archived versions of Approved Document D are available at the National Archives (external link).

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