TUC guides
[ch 3: page 38]TUC, Risk assessment: a guide for safety representatives, can be found at: www.tuc.org.uk/extras/riskassessment.pdf.
The TUC Workplace Manual, 2013, includes health and safety guidance for workplace reps and is available from TUC Publications, price £18 for members: https://www.tuc.org.uk/publications/category/health-and-safety.