U:\2021\BM210482_IBo_Waihi_North_Project\Documents\WNP_Freshwater_Report_May_2022\FINAL_Freshwater_Report_FOR DELIVERY_June 2022\FINAL DELIVERED 17 JUNE 2022\WAI-985-000-REPLC-0007_Rev0_Freshwater_20220621_FINAL.docx Table 46: Annual maximum and annual medium data for sulphate SO4 2- (g/m3) across four sites sampled in the Ohinemuri River at Waihi from 2005-2021. No attribute parameters for sulphate are outlined in the NPS-FM 2020. Figures are not adjusted hardness. for Site locations are shown in Figure 14. Site OC2 OH3 OH5 OH6 SO4 2- (g/m3) Ann. Max Ann. Med Ann. Max Ann. Med Ann. Max Ann. Med Ann. Max Ann. Med 2005 74.8 42.95 233.0 64.20 2006 23.8 10.0 109.0 56.00 139.0 82.35 2007 4.10 3.90 159.0 29.40 159.0 65.70 2008 6.20 3.80 17.0 4.30 88.0 17.00 190.0 74.50 2009 5.10 3.80 8.80 4.80 160.0 59.00 160.0 46.00 2010 5.20 3.70 8.20 5.30 67.0 24.00 260.0 116.0 2011 4.90 4.05 17.2 5.20 230.0 102.0 350.0 141.0 2012 4.70 4.05 16.2 4.50 350.0 108.0 330.0 86.50 2013 35.0 4.50 62.0 5.00 530.0 63.50 400.0 81.50 2014 6.00 4.00 16.0 5.00 300.0 121.0 240.0 119.5 2015 7.00 4.50 12.0 5.00 430.0 88.00 320.0 118.0 2016 15.0 4.00 48.0 5.50 210.0 131.5 270.0 115.0 2017 5.00 4.00 44.0 5.00 390.0 145.5 300.0 121.5 2018 6.00 4.50 6.00 5.00 320.0 156.0 250.0 126.0 2019 6.00 5.00 8.00 5.00 410.0 152.0 420.0 210.0 2020 9.00 5.00 9.00 5.00 410.0 210.0 520.0 320.0 2021 6.00 5.00 28.0 5.00 580.0 240.0 510.0 272.0
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