> For the complete documentation index, see [llms.txt](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/appendices/appendix-1.md).

# Appendix 1: Additional guidance

This appendix provides additional guidance on *Assessment of the drinking water supply system* (element 2) and *Preventive measures for drinking water quality management* (element 3) of the Framework for management of drinking water quality (the Framework). This appendix should be read in conjunction with Chapter 3, which provides a more comprehensive overview of these elements.

Users are also encouraged to draw on the numerous sources providing detailed technical guidance, a number of which have been listed in Appendix 2.