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Operations and Regulatory Agenda 30 April 2024

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• Created: 19/3/2016

64 3.3.5 Data review 65 3.4 Results – Water 65 3.4.1 Inspections 65 3.4.2 Results of discharge monitoring 65 3.5 Results - Air 66 3.5.1 Review of flaring data 66 3.6 Results - Land 67 3.6.1 Reservoir pressure and injection pressure data review 67 3.7 Results – Pipeline 68 3.8 Annual report by Contact Energy 68 3.9 Investigations, interventions, and incidents 69 3.10 Discussion 69 3.10.1 Discussion of performance 69 3.10.2 Environmental effects of exercise of consents

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Table 32 Tegel stormwater and wetland sampling results, 21 March 2022 63 Table 33 Summary of performance for Tegel consent 3470-4 64 Table 34 Summary of performance for Tegel consent 7389-1 65 Table 35 Summary of performance for Tegel consent 4026-3 66 Table 36 Summary of performance for Tegel consent 5494-2 67 Table 37 TIL stormwater sampling results 71 Table 38 Summary of performance for TIL consent 7578-1 71 Table 39 Summary of performance for TIL consent 6952-1 72

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• Created: 18/3/2021

Taranaki Regional Council meeting agenda February 2021 - Part 2

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• Created: 10/2/2018

nitrogen g/m3 240 < 0.90 Sulphate g/m3 199 47 Total sulphur g/m3 67 16 Total barium g/m3 44 197 Total bromine g/m3 37 21 Total copper g/m3 0.0013 0.0100 Total iron g/m3 0.93 3.50 Total manganese g/m3 11 11 Total mercury g/m3 < 0.00008 0.00015 Total nickel g/m3 0.020 0.019 Total zinc g/m3 0.036 0.191 Formaldehyde g/m3 < 0.02 0.08 Methanol g/m3 < 2 < 2 Ethylene glycol g/m3 < 4 < 4 Propylene glycol g/m3 < 4 < 4 C7-C9 g/m3 3 101 C10 - C14 g/m3

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• Created: 05/1/2016

Taranaki climate hazards & extremes - high winds & tornadoes (NIWA, 2007).

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• Created: 03/1/2023

................................................................................................................................ 48 3.5. Macroinvertebrates .................................................................................................................. 52 3.6. Fish .......................................................................................................................................... 56 3.7. Lake Ratapiko ........................................................................................................................... 67 3.8. Mako

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• Created: 23/4/2016

Managing diffuse-source discharges to land and water in Taranaki - Taranaki Regional Council

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• Created: 18/3/2023

35 35 30 19 27 68 9 86 22 Dissolved carbonaceous BOD (g/m3) 12 8.5 3.9 12 4.1 2.8 6.3 66 < 2 87 10 Oil and grease (g/m3) <4 <5 12 <4 5 15 5 67 < 0.5 430 <5 Total Ammoniacal N (g/m3) 23 26 55 41 38 38 38 64 4.6 75 35 Total N (g/m3) 36 30 54 59 60 53 54 68 21 92 46 Total P (g/m3) 8.1 8.3 12.3 12.3 9.1 10.8 9.9 68 4.2 21 8.8 Temp. °C 11.7 - 20.0 21.7 16.4 13.0 16.4 97 7.6 23.8 16.1 Conductivity @ 25°C (µS/cm) 632 653 918 898 797 838 818 92 474 1,400

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• Created: 09/2/2017

10.1.3. Air discharge permit 64 10.2. Results 65 10.2.1. Inspections 65 10.2.2. Results of stormwater discharge monitoring 65 10.2.3. Air discharge monitoring 67 10.2.4. Investigations, interventions, and incidents 70 10.3. Discussion 71 10.3.1. Discussion of plant performance 71 10.3.2. Environmental effects of exercise of consents 71 10.3.3. Evaluation of performance 72 10.3.4. Recommendations from the 2015-2016 Annual Report 74 10.3.5. Alterations to