Developing colour or black and white films or prints. Fixing colour or black and white films or prints. Stop baths used between developing and fixing. Chemicals used for specialist treatments.

This guide gives advice about the process of sous vide cooking, using vacuum bags and hot water.

The removal of scale from hard water from sinks, taps, toilet bowls, washbasins, baths, kettles and steam irons. All use some form of acid as the active ingredient.

A document which covers general and specific hazards and risks in darkroom work, guidance on how these can be managed and such safeguarding issues as might apply.