24-Hour 2019 Design Value Estimation

4-km CMAQ simulation for the SJV domain

2005 2006 20072007 DV 2017 2018 20192019 DV 65.0 50.0 59.7 58.2 32.8 25.3 30.129.4 3 3 3 3 3 3

RRF Q1 Q4 NH4 0.49 0.54 NO3 0.48 0.52 SO4 0.78 0.87 OC 0.35 0.37 EC 0.22 0.24 Salt 0.69 0.84 Geologic 0.72 0.88
Split Q1 Q4 NH4 0.14 0.14 NO3 0.40 0.44 SO4 0.06 0.03 OC 0.29 0.25 EC 0.01 0.02 Salt 0.00 0.00 Geologic 0.02 0.03 PB Water 0.08 0.08 Total 1.00 1.00

2005→ 2017 2005Q1 3/11/20052/6/20052/9/20051/25/20053/8/20052/3/20052/15/20053/17/2005 50.0 46.0 36.0 32.0 30.0 29.0 28.0 26.0 NH4 6.88 6.32 4.93 4.38 4.10 3.96 3.82 3.54 NO3 19.85 18.2414.2312.63 11.83 11.43 11.03 10.22 SO4 2.98 2.74 2.14 1.90 1.78 1.72 1.66 1.54 OC 14.41 13.2510.34 9.17 8.59 8.30 8.01 7.42 EC 0.49 0.45 0.35 0.31 0.29 0.28 0.27 0.25 Salt 0.21 0.19 0.15 0.13 0.13 0.12 0.12 0.11 Geologic 0.76 0.70 0.55 0.49 0.46 0.44 0.42 0.39 PB Water 3.91 3.59 2.80 2.49 2.33 2.25 2.17 2.01 Total 49.5 45.5 35.5 31.5 29.5 28.5 27.5 25.5

2017Q1 NH4 3.64 3.35 2.61 2.32 2.17 2.10 2.02 1.87 NO3 9.52 8.75 6.83 6.06 5.68 5.48 5.29 4.91 SO4 2.33 2.14 1.67 1.48 1.39 1.34 1.30 1.20 OC 4.99 4.59 3.58 3.17 2.97 2.87 2.77 2.57 EC 0.11 0.10 0.08 0.07 0.06 0.06 0.06 0.06 Salt 0.15 0.13 0.11 0.09 0.09 0.08 0.08 0.08 Geologic 0.55 0.50 0.39 0.35 0.33 0.32 0.31 0.28 PB Water 1.94 1.78 1.39 1.23 1.15 1.12 1.08 1.00 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 23.7 21.8 17.2 15.3 14.3 13.9 13.4 12.5 98th Percentile Rank Visalia - North Church Street

Current Mass

Future Mass2005Q4 12/12/200511/24/200512/9/200512/6/200512/15/200511/15/200511/21/200511/18/2005 84.0 79.0 65.0 54.0 54.0 49.0 47.0 44.0 NH4 11.59 10.90 8.95 7.43 7.43 6.73 6.46 6.04 NO3 36.8234.6228.4423.5923.5921.3920.5019.18 SO4 2.41 2.26 1.86 1.54 1.54 1.40 1.34 1.25 OC 21.26 19.9916.4213.62 13.62 12.35 11.8411.07 EC 1.66 1.56 1.28 1.06 1.06 0.96 0.93 0.87 Salt 0.36 0.34 0.28 0.23 0.23 0.21 0.20 0.19 Geologic 2.37 2.22 1.83 1.52 1.52 1.37 1.32 1.23 PB Water 7.03 6.61 5.43 4.51 4.51 4.08 3.92 3.66 Total 83.5 78.5 64.5 53.5 53.5 48.5 46.5 43.5

2017Q4 NH4 6.33 5.96 4.89 4.06 4.06 3.68 3.53 3.30 NO3 19.11 17.9714.7612.25 12.25 11.10 10.64 9.96 SO4 2.10 1.97 1.62 1.34 1.34 1.22 1.17 1.09 OC 7.79 7.33 6.02 4.99 4.99 4.53 4.34 4.06 EC 0.39 0.37 0.30 0.25 0.25 0.23 0.22 0.20 Salt 0.30 0.29 0.23 0.19 0.19 0.18 0.17 0.16 Geologic 2.07 1.95 1.60 1.33 1.33 1.20 1.15 1.08 PB Water 3.70 3.48 2.86 2.37 2.37 2.15 2.06 1.93 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 42.3 39.8 32.8 27.3 27.3 24.8 23.8 22.3

2006→ 2018 2006Q1 2/13/20062/10/20061/23/20062/4/20062/7/20061/11/20062/1/20061/8/2006 65.0 49.0 34.0 32.0 32.0 31.0 31.0 30.0 NH4 8.97 6.74 4.66 4.38 4.38 4.24 4.24 4.10 NO3 25.86 19.4513.4312.63 12.63 12.23 12.23 11.83 SO4 3.89 2.92 2.02 1.90 1.90 1.84 1.84 1.78 OC 18.78 14.12 9.75 9.17 9.17 8.88 8.88 8.59 EC 0.64 0.48 0.33 0.31 0.31 0.30 0.30 0.29 Salt 0.28 0.21 0.14 0.13 0.13 0.13 0.13 0.13 Geologic 1.00 0.75 0.52 0.49 0.49 0.47 0.47 0.46 PB Water 5.09 3.83 2.65 2.49 2.49 2.41 2.41 2.33 Total 64.5 48.5 33.5 31.5 31.5 30.5 30.5 29.5

2018Q1 NH4 4.74 3.57 2.46 2.32 2.32 2.24 2.24 2.17 NO3 12.41 9.33 6.45 6.06 6.06 5.87 5.87 5.68 SO4 3.04 2.28 1.58 1.48 1.48 1.44 1.44 1.39 OC 6.50 4.89 3.38 3.17 3.17 3.07 3.07 2.97 EC 0.14 0.11 0.07 0.07 0.07 0.07 0.07 0.06 Salt 0.19 0.14 0.10 0.09 0.09 0.09 0.09 0.09 Geologic 0.72 0.54 0.37 0.35 0.35 0.34 0.34 0.33 PB Water 2.52 1.90 1.31 1.23 1.23 1.19 1.19 1.15 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 30.8 23.3 16.2 15.3 15.3 14.8 14.8 14.3 Current Mass

Future Mass

Current Mass

Future Mass2006Q4 11/22/200612/5/200611/7/200612/31/200611/1/200612/25/200611/16/200610/2/2006 57.0 50.0 47.0 45.0 44.0 42.0 40.0 33.0 NH4 7.84 6.87 6.46 6.18 6.04 5.76 5.48 4.51 NO3 24.9121.8320.5019.62 19.18 18.30 17.42 14.33 SO4 1.63 1.43 1.34 1.28 1.25 1.20 1.14 0.94 OC 14.38 12.6011.8411.33 11.07 10.57 10.06 8.27 EC 1.12 0.98 0.93 0.89 0.87 0.83 0.79 0.65 Salt 0.24 0.21 0.20 0.19 0.19 0.18 0.17 0.14 Geologic 1.60 1.40 1.32 1.26 1.23 1.18 1.12 0.92 PB Water 4.76 4.17 3.92 3.75 3.66 3.50 3.33 2.74 Total 56.5 49.5 46.5 44.5 43.5 41.5 39.5 32.5

2018Q4 NH4 4.29 3.76 3.53 3.38 3.30 3.15 3.00 2.47 NO3 12.93 11.3310.6410.19 9.96 9.50 9.04 7.44 SO4 1.42 1.24 1.17 1.12 1.09 1.04 0.99 0.82 OC 5.27 4.62 4.34 4.15 4.06 3.87 3.69 3.03 EC 0.27 0.23 0.22 0.21 0.20 0.20 0.19 0.15 Salt 0.21 0.18 0.17 0.16 0.16 0.15 0.14 0.12 Geologic 1.40 1.23 1.15 1.10 1.08 1.03 0.98 0.81 PB Water 2.50 2.19 2.06 1.97 1.93 1.84 1.75 1.44 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 28.8 25.3 23.8 22.8 22.3 21.3 20.3 16.8

2007→ 2019 2007Q1 2/5/20071/9/20072/8/20071/3/20071/24/20071/27/20072/2/20071/15/2007 71.0 56.0 53.0 52.0 51.0 42.0 39.0 35.0 NH4 9.80 7.71 7.30 7.16 7.02 5.77 5.35 4.80 NO3 28.2722.2521.0520.6520.25 16.6415.4413.83 SO4 4.25 3.34 3.16 3.10 3.04 2.50 2.32 2.08 OC 20.53 16.1615.2914.99 14.70 12.08 11.21 10.05 EC 0.70 0.55 0.52 0.51 0.50 0.41 0.38 0.34 Salt 0.30 0.24 0.22 0.22 0.22 0.18 0.16 0.15 Geologic 1.09 0.86 0.81 0.79 0.78 0.64 0.59 0.53 PB Water 5.57 4.38 4.15 4.07 3.99 3.28 3.04 2.72 Total 70.5 55.5 52.5 51.5 50.5 41.5 38.5 34.5

2019Q1 NH4 5.18 4.08 3.86 3.79 3.71 3.05 2.83 2.54 NO3 13.57 10.6810.10 9.91 9.72 7.99 7.41 6.64 SO4 3.32 2.61 2.47 2.43 2.38 1.95 1.81 1.62 OC 7.10 5.59 5.29 5.19 5.09 4.18 3.88 3.48 EC 0.15 0.12 0.11 0.11 0.11 0.09 0.08 0.07 Salt 0.21 0.16 0.16 0.15 0.15 0.12 0.11 0.10 Geologic 0.78 0.62 0.58 0.57 0.56 0.46 0.43 0.38 PB Water 2.76 2.17 2.05 2.02 1.98 1.62 1.51 1.35 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 33.6 26.5 25.1 24.7 24.2 20.0 18.6 16.7 Future Mass

Current Mass

Future Mass Current Mass2007Q4 12/14/200711/29/200711/2/200711/26/200711/5/200712/23/200711/14/200712/11/2007 60.4 59.7 58.4 49.0 44.6 43.8 42.9 39.8 NH4 8.32 8.22 8.04 6.73 6.12 6.01 5.89 5.46 NO3 26.4126.1025.5321.39 19.45 19.09 18.7017.33 SO4 1.73 1.71 1.67 1.40 1.27 1.25 1.22 1.13 OC 15.25 15.0714.7412.35 11.23 11.02 10.79 10.01 EC 1.19 1.18 1.15 0.96 0.88 0.86 0.84 0.78 Salt 0.26 0.26 0.25 0.21 0.19 0.19 0.18 0.17 Geologic 1.70 1.68 1.64 1.37 1.25 1.23 1.20 1.11 PB Water 5.05 4.99 4.88 4.08 3.71 3.65 3.57 3.31 Total 59.9 59.2 57.9 48.5 44.1 43.3 42.4 39.3

2019Q4 NH4 4.54 4.49 4.39 3.68 3.35 3.29 3.22 2.98 NO3 13.71 13.5513.2511.10 10.10 9.91 9.71 9.00 SO4 1.50 1.49 1.45 1.22 1.11 1.09 1.06 0.99 OC 5.59 5.53 5.40 4.53 4.12 4.04 3.96 3.67 EC 0.28 0.28 0.27 0.23 0.21 0.20 0.20 0.19 Salt 0.22 0.22 0.21 0.18 0.16 0.16 0.15 0.14 Geologic 1.49 1.47 1.44 1.20 1.09 1.08 1.05 0.98 PB Water 2.65 2.62 2.57 2.15 1.95 1.92 1.88 1.74 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 30.5 30.1 29.5 24.8 22.6 22.2 21.7 20.2 Current Mass

Future Mass