Part 47 Aquatic habitat—mountain streams (AQUA/1), lowland

Part 4.7 Aquatic habitat—mountain streams (AQUA/1), lowland streams (AQUA/2), urban lakes & ponds (AQUA/3), urban drains and streams (AQUA/4), urban wetland (AQUA/5), mountain reservoirs (AQUA/6) 128 4.4 Acidity 128 4.5 Colour and turbidity 128 4.6 Total dissolved solids 128 4.7 Ammonia levels 129 Part 4.8 Secondary ambient environmental standards 136 4.8 Temperature 136 4.9 Biological standards 136 Dictionary 139 1 About the endnotes 147 2 Abbreviation key 147 3 Legislation history 148 4 Amendment history 155 5 Earlier republications 165 6 Expired transitional or validating provisions 168

1 Name of regulation This regulation is the Environment Protection Regulation 2005. 3 Dictionary The dictionary at the end of this regulation is part of this regulation. Note 1 The dictionary at the end of this regulation defines certain terms used in this regulation, and includes references (signpost definitions) to other terms defined elsewhere. For example, the signpost definition ‘built-up area—see the Emergencies Act 2004, section 6A.’ means that the term ‘built-up area’ is defined in that section and the definition applies to this regulation. Note 2 A definition in the dictionary (including a signpost definition) applies to the entire regulation unless the definition, or another provision of the regulation, provides otherwise or the contrary intention otherwise appears (see Legislation Act, s 155 and s 156 (1)).