119 Daily WTP Discharge Cyanide, copper, iron, manganese, suspended solids, ammonia, silver Weekly WTP discharge TSS, nickel, zinc, arsenic, mercury, cadmium, chromium (VI), lead, hardness, sulphate, Selenium, Antimony Monthly Ohinemuri River (at location OH5 for discharges at point E1, and location OH6 for discharges at point E2) Cyanide, copper, iron, manganese, suspended solids, ammoniacal N, silver, TSS, nickel, zinc, arsenic, mercury, cadmium, chromium (VI), lead, hardness, sulphate; nitrate, nitritenitrate, TKN, Total nitrogen, total phosphorus, dissolved reactive phosphorus. Annual WTP Discharge Cobalt Table Note: The WTP discharge monitoring programme for metals are for ‘acidsoluble’ concentrates determined on unfiltered samples. Monitoring of selenium and antimony in the Ohinemuri River shall be based on the soluble test method, defined as the concentration of dissolved metal measured in that fraction which passes through a 0.45µm filter. 15 Unless otherwise agreed with Waikato Regional Council the Consent Holder shall undertake the following monitoring throughout the period of wastewater discharge to the Ohinemuri River (Table 5 and Figure 1). Table 5: Biological, Sediment and River Water Quality Monitoring Aquatic biota Frequency Sites Methods Parameters Fish Late summer (Feb-Mar) OC2, OH5, RU1, OH1, OH6, a site on Mataura, (M1) Ratarua (R1) and Waitete (W1) Streams Electric fishing Species numbers Species abundance Fish lengths Macro- Invertebrates Spring (Oct-Dec) Autumn (Mar-May) OH3, OH5 RU1, OH1, OH6 Surber sampling Taxa richness Total abundance Key taxa abundance Periphyton Spring (Oct-Dec) Autumn (Mar-May) OH3, OH5 RU1, OH1, OH6 Rock scrape sampling Chla, AFDW, taxa richness Water Quality Spring (Oct-Dec) Autumn (Mar-May) OH3, OH5 RU1, OH1, OH6 Spot Sampling All parameters listed in Condition
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