Water Treatment Plant Monthly Averages, PM 10 Manganese Concentration (ug/m3), Date_Month,Manganese_Month_Average (ug/m3) Jan-09,0.03 Feb-09,0.34 Mar-09,0.14 Apr-09,0.2 May-09,0.05 Jun-09,0.03 Jul-09,0.07 Aug-09,0.14 Sep-09,0.6 Jun-11,0.01 Jul-11,0.4 Aug-11,0.52 Sep-11,0.51 Oct-11,0.31 Nov-11,0.03 Dec-11,0.4 Jan-12,0.07 Feb-12,0.16 Mar-12,0.05 Apr-12,0.06 May-12,0.06 Jun-12,0.04 Jul-12,0.13 Aug-12,0.1 Sep-12,0.3 Oct-12,0.13 Nov-12,0.04 Dec-12,0.14 Jan-13,0.06 Feb-13,0.17 Mar-13,0.3 Apr-13,0.24 May-13,0.11 Jun-13,0.05 Jul-13,0.03 Aug-13,0.09 Sep-13,0.05 Oct-13,0.08 Nov-13,0.09 Dec-13,0.17 Jan-14,0.45 Feb-14,0.21 Mar-14,0.16 Apr-14,0.07 May-14,0.06 Jun-14,0.1 Jul-14,0.05 Aug-14,0.07 Sep-14,0.91 Oct-14,0.24 Nov-14,0.03 Dec-14,0.1 Jan-15,0.08 Feb-15,0.08 Mar-15,0.41 Apr-15,0.32 May-15,0.18 Jun-15,0.42 Jul-15,0.38 Aug-15,0.62 Sep-15,0.34 Oct-15,1.38 Nov-15,0.25 Dec-15,0.15 Jan-16,0.36 Feb-16,0.09 Mar-16,0.09 Apr-16,0.19 May-16,0.21 Jun-16,0.05 Jul-16,0.04 Aug-16,0.11 Sep-16,0.09 Oct-16,0.04 Nov-16,0.19 Dec-16,0.05 Jan-17,0.07 Feb-17,0.13 Mar-17,0.06 Apr-17,0.33 May-17,0.12 Jun-17,0.02 Jul-17,0.04 Aug-17,0.12 Sep-17,0.07 Oct-17,0.06 Nov-17,0.66 Dec-17,0.17 Jan-18,0.07 Feb-18,0.12 Mar-18,0.06 Apr-18,0.07