11.3 11 12 13 14 10.0 13.9 0 4 8 12 16 Figure 26: Oil in produced water (ppm-wt) 26.126.8 11 12 13 14 40.8 28.6 0 10 20 30 40 50 Figure 25: Oil in produced water (tonnes) 50 / Premier Oil plc 2014 Corporate Responsibility Report 3 ENVIRONMENT continued Discharges to air Our discharges to air are set out in Figure 27 below1.