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Pukeiti Rainforest School

many of them; why some species are endangered, one is extinct, and how human impacts on the environment have contributed to the falling numbers. They will learn about some of the measures being taken to improve the situation to give all species a better chance of survival. Learning areas: Science: Living World – Life Processes, Ecology, Evolution Social Science: Place and Environment, Continuity and Change Students will learn that:  we have 34 known native

Rules 21-45: Discharges of contaminants to land and water (excluding Stony)

receiving water after reasonable mixing: (a) unionised ammonia expressed as nitrogen 0.02gm-3 ; (b) total zinc 0.05gm-3;  The discharge shall not cause the dissolved oxygen concentration of the receiving water to fall below 80% of saturation concentration after reasonable mixing;  The discharge shall not cause the concentration of filtered carbonaceous biochemical oxygen demand to exceed 2.00gm-3 in the receiving water after reasonable mixing. Permitted page

Annual report 2014-2015

discharge is now only permitted within one hour of high tide, unless heavy rainfall causes the storage capacity of the holding tank to be exceeded. 1.3 Resource consents 1.3.1 Water discharge permit Section 14 of the RMA stipulates that no person may take, use, dam or divert any water, unless the activity is expressly allowed for by a resource consent or a rule in a regional plan, or it falls within some particular categories set out in Section 14. The Company holds water discharge

SFF Annual Report 2020-2021

quickly to changes in wastewater loading on the Stage 2 irrigation area. This is consistent with rapid wastewater infiltration through approximately 2 m of sandy soil to the underlying water table. The levels of ammonia present are very low, indicating almost complete nitrification in aerobic soil. The significant fall in nitrate concentration during the 2010-2011 monitoring period in MP2, was in response to reduced irrigation volumes, and since has ranged between about 10 and 20 g/m³N. During

Combined annual report 2014-2015

was complied with as it requires at least 98% of pH values fall in this range. The high pH discharges were clustered around the time of heavy rainfall, with the inflow and infiltration altering the composition of the sewage and therefore the lime demand. There was some difficultly maintaining the pH within the process control limit with an average of 24% of samples falling below a pH of 10.8. 2.1.3 Council compliance monitoring check The Council carried out a compliance

Annual report 2016-2017

resource consents, which are appended to this report. page 11 2.2. Results 2.2.1. Site inspections 13 October 2016 The site was inspected in fine weather with light easterly wind conditions. The cap was well grassed with no ponding, cracking or exposed refuse noted. Heavy rain the previous day had left the cap damp underfoot. It was observed that the remediated crack area was re-grassing well and was nearly indistinguishable from the surrounding area. The batters