24-Hour 2019 Design Value Estimation

4-km CMAQ simulation for the SJV domain

2005 2006 20072007 DV 2017 2018 20192019 DV 71.2 55.0 57.4 61.2 32.8 26.2 26.928.6 3 3 3 3 3 3

RRF Q1 Q4 NH4 0.57 0.55 NO3 0.55 0.53 SO4 0.96 0.88 OC 0.36 0.33 EC 0.22 0.22 Salt 0.71 0.67 Geologic 0.73 0.83
Split Q1 Q4 NH4 0.12 0.11 NO3 0.37 0.35 SO4 0.03 0.02 OC 0.35 0.38 EC 0.04 0.05 Salt 0.01 0.01 Geologic 0.01 0.01 PB Water 0.07 0.07 Total 1.00 1.00

2005→ 2017 2005Q1 1/16/20053/11/20052/6/20052/3/20051/25/20051/13/20052/9/20051/19/2005 47.0 45.7 41.3 36.0 33.9 30.5 30.1 28.7 NH4 5.57 5.42 4.89 4.25 4.00 3.60 3.55 3.38 NO3 17.23 16.74 15.1113.1512.37 11.11 10.96 10.45 SO4 1.52 1.48 1.34 1.16 1.10 0.98 0.97 0.92 OC 16.06 15.61 14.0912.2611.54 10.36 10.22 9.74 EC 1.94 1.88 1.70 1.48 1.39 1.25 1.23 1.17 Salt 0.26 0.25 0.23 0.20 0.19 0.17 0.17 0.16 Geologic 0.60 0.59 0.53 0.46 0.43 0.39 0.38 0.37 PB Water 3.32 3.22 2.91 2.53 2.38 2.14 2.11 2.01 Total 46.5 45.2 40.8 35.5 33.4 30.0 29.6 28.2

2017Q1 NH4 3.29 3.20 2.88 2.51 2.36 2.12 2.09 1.99 NO3 9.44 9.17 8.28 7.20 6.78 6.09 6.01 5.72 SO4 1.46 1.42 1.28 1.11 1.05 0.94 0.93 0.88 OC 5.80 5.64 5.09 4.43 4.17 3.74 3.69 3.52 EC 0.43 0.42 0.38 0.33 0.31 0.28 0.28 0.26 Salt 0.18 0.18 0.16 0.14 0.13 0.12 0.12 0.11 Geologic 0.44 0.43 0.39 0.34 0.32 0.29 0.28 0.27 PB Water 1.85 1.80 1.63 1.42 1.33 1.20 1.18 1.12 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 23.40 22.76 20.5917.9816.95 15.27 15.08 14.39 Fresno - Hamilton Street

98th Percentile Rank

Current Mass

Future Mass2005Q4 12/12/200511/24/200512/15/200512/9/200512/6/200511/15/200511/18/200511/21/2005 79.0 74.1 71.2 61.0 57.0 49.0 44.1 43.9 NH4 8.68 8.14 7.82 6.69 6.25 5.36 4.82 4.80 NO3 27.42 25.71 24.7021.1419.74 16.94 15.23 15.16 SO4 1.92 1.80 1.73 1.48 1.38 1.18 1.07 1.06 OC 29.90 28.03 26.9323.0421.52 18.47 16.61 16.53 EC 3.72 3.48 3.35 2.86 2.67 2.30 2.06 2.05 Salt 0.49 0.46 0.44 0.38 0.35 0.30 0.27 0.27 Geologic 1.13 1.06 1.02 0.87 0.81 0.70 0.63 0.62 PB Water 5.25 4.92 4.72 4.04 3.78 3.24 2.91 2.90 Total 78.5 73.6 70.7 60.5 56.5 48.5 43.6 43.4

2017Q4 NH4 4.84 4.54 4.36 3.73 3.49 2.99 2.69 2.68 NO3 14.50 13.59 13.0611.1710.43 8.96 8.05 8.01 SO4 1.69 1.59 1.52 1.30 1.22 1.05 0.94 0.94 OC 9.94 9.32 8.95 7.66 7.15 6.14 5.52 5.49 EC 0.80 0.75 0.72 0.62 0.58 0.50 0.45 0.44 Salt 0.33 0.31 0.29 0.25 0.24 0.20 0.18 0.18 Geologic 0.93 0.88 0.84 0.72 0.67 0.58 0.52 0.52 PB Water 2.81 2.64 2.53 2.17 2.02 1.74 1.56 1.56 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 36.34 34.11 32.7828.1326.30 22.65 20.41 20.32

2006→ 2018 2006Q1 2/13/20062/10/20062/1/20061/23/20061/17/20061/11/20061/20/20062/25/2006 65.0 52.7 36.7 35.5 30.9 30.1 29.0 28.2 NH4 7.73 6.26 4.34 4.19 3.64 3.55 3.42 3.32 NO3 23.89 19.34 13.4112.9711.26 10.96 10.56 10.26 SO4 2.11 1.71 1.19 1.15 1.00 0.97 0.93 0.91 OC 22.28 18.03 12.5012.0910.50 10.22 9.84 9.57 EC 2.69 2.17 1.51 1.46 1.27 1.23 1.19 1.15 Salt 0.36 0.29 0.20 0.20 0.17 0.17 0.16 0.15 Geologic 0.84 0.68 0.47 0.45 0.40 0.38 0.37 0.36 PB Water 4.60 3.72 2.58 2.50 2.17 2.11 2.03 1.98 Total 64.5 52.2 36.2 35.0 30.4 29.6 28.5 27.7

2018Q1 NH4 4.56 3.69 2.56 2.47 2.15 2.09 2.01 1.96 NO3 13.09 10.59 7.35 7.10 6.17 6.01 5.78 5.62 SO4 2.02 1.64 1.14 1.10 0.95 0.93 0.89 0.87 OC 8.05 6.51 4.52 4.37 3.79 3.69 3.55 3.46 EC 0.60 0.49 0.34 0.33 0.28 0.28 0.27 0.26 Salt 0.26 0.21 0.14 0.14 0.12 0.12 0.11 0.11 Geologic 0.61 0.50 0.34 0.33 0.29 0.28 0.27 0.26 PB Water 2.57 2.08 1.44 1.40 1.21 1.18 1.14 1.10 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 32.26 26.21 18.3317.7415.47 15.08 14.53 14.14 Current Mass

Future Mass Current Mass

Future Mass2006Q4 12/7/200612/4/200612/31/200612/25/200612/1/200611/22/200610/2/200612/19/2006 87.0 55.0 53.5 46.2 42.6 40.6 37.5 36.7 NH4 9.57 6.03 5.86 5.05 4.66 4.43 4.09 4.00 NO3 30.22 19.04 18.5215.9714.71 14.01 12.93 12.65 SO4 2.11 1.33 1.29 1.12 1.03 0.98 0.90 0.88 OC 32.95 20.76 20.1917.4116.03 15.27 14.09 13.79 EC 4.09 2.58 2.51 2.16 1.99 1.90 1.75 1.71 Salt 0.54 0.34 0.33 0.28 0.26 0.25 0.23 0.22 Geologic 1.24 0.78 0.76 0.66 0.61 0.58 0.53 0.52 PB Water 5.78 3.64 3.54 3.05 2.81 2.68 2.47 2.42 Total 86.5 54.5 53.0 45.7 42.1 40.1 37.0 36.2

2018Q4 NH4 5.34 3.36 3.27 2.82 2.60 2.47 2.28 2.23 NO3 15.97 10.06 9.79 8.44 7.77 7.41 6.83 6.69 SO4 1.87 1.18 1.14 0.99 0.91 0.86 0.80 0.78 OC 10.95 6.90 6.71 5.79 5.33 5.08 4.68 4.58 EC 0.88 0.56 0.54 0.47 0.43 0.41 0.38 0.37 Salt 0.36 0.23 0.22 0.19 0.18 0.17 0.15 0.15 Geologic 1.03 0.65 0.63 0.54 0.50 0.48 0.44 0.43 PB Water 3.10 1.95 1.90 1.64 1.51 1.44 1.33 1.30 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 40.00 25.39 24.7021.3719.72 18.81 17.39 17.03

2007→ 2019 2007Q1 1/21/20071/3/20071/15/20072/5/20071/24/20071/27/20071/18/20072/8/2007 65.1 55.3 54.2 52.5 48.7 45.6 44.0 43.5 NH4 7.74 6.57 6.44 6.23 5.78 5.40 5.21 5.15 NO3 23.93 20.30 19.8919.2617.86 16.71 16.11 15.93 SO4 2.12 1.80 1.76 1.70 1.58 1.48 1.43 1.41 OC 22.31 18.93 18.5517.9616.65 15.58 15.02 14.85 EC 2.69 2.28 2.24 2.17 2.01 1.88 1.81 1.79 Salt 0.36 0.31 0.30 0.29 0.27 0.25 0.24 0.24 Geologic 0.84 0.71 0.70 0.68 0.63 0.59 0.57 0.56 PB Water 4.61 3.91 3.83 3.71 3.44 3.22 3.10 3.07 Total 64.6 54.8 53.7 52.0 48.2 45.1 43.5 43.0

2019Q1 NH4 4.57 3.87 3.80 3.68 3.41 3.19 3.07 3.04 NO3 13.11 11.12 10.9010.55 9.78 9.15 8.83 8.73 SO4 2.03 1.72 1.69 1.63 1.51 1.42 1.37 1.35 OC 8.06 6.84 6.70 6.49 6.01 5.63 5.43 5.36 EC 0.60 0.51 0.50 0.49 0.45 0.42 0.41 0.40 Salt 0.26 0.22 0.21 0.21 0.19 0.18 0.17 0.17 Geologic 0.61 0.52 0.51 0.49 0.46 0.43 0.41 0.41 PB Water 2.58 2.19 2.14 2.07 1.92 1.80 1.73 1.71 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 32.31 27.49 26.9526.1124.24 22.71 21.92 21.68 Current Mass

Future Mass

Current Mass

Future Mass2007Q4 11/29/200712/11/200712/14/200711/8/200711/26/200712/23/200711/2/200711/14/2007 57.9 57.4 55.2 53.3 47.2 44.8 35.3 32.8 NH4 6.35 6.29 6.05 5.84 5.16 4.90 3.85 3.57 NO3 20.05 19.88 19.1118.4516.32 15.48 12.16 11.28 SO4 1.40 1.39 1.34 1.29 1.14 1.08 0.85 0.79 OC 21.86 21.67 20.8320.1117.79 16.87 13.25 12.30 EC 2.72 2.69 2.59 2.50 2.21 2.10 1.65 1.53 Salt 0.36 0.35 0.34 0.33 0.29 0.28 0.22 0.20 Geologic 0.83 0.82 0.79 0.76 0.67 0.64 0.50 0.46 PB Water 3.84 3.80 3.66 3.53 3.12 2.96 2.33 2.16 Total 57.4 56.9 54.7 52.8 46.7 44.3 34.8 32.3

2019Q4 NH4 3.54 3.51 3.38 3.26 2.88 2.73 2.15 1.99 NO3 10.60 10.51 10.10 9.75 8.62 8.18 6.43 5.97 SO4 1.24 1.23 1.18 1.14 1.01 0.96 0.75 0.70 OC 7.27 7.20 6.92 6.68 5.91 5.61 4.41 4.09 EC 0.59 0.58 0.56 0.54 0.48 0.45 0.36 0.33 Salt 0.24 0.24 0.23 0.22 0.19 0.18 0.14 0.13 Geologic 0.68 0.68 0.65 0.63 0.56 0.53 0.41 0.38 PB Water 2.06 2.04 1.96 1.89 1.67 1.59 1.25 1.16 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 26.71 26.48 25.4824.6121.82 20.73 16.39 15.25 Current Mass

Future Mass