24-Hour 2019 Design Value Estimation

4-km CMAQ simulation for the SJV domain

2005 2006 20072007 DV 2017 2018 20192019 DV 71.0 51.0 67.0 63.0 34.2 25.2 32.130.5 7 7 8 7 7 8

RRF Q1 Q4 NH4 0.57 0.56 NO3 0.54 0.54 SO4 0.96 0.88 OC 0.42 0.38 EC 0.23 0.21 Salt 0.68 0.68 Geologic 0.74 0.81
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 3/11/20052/2/20053/10/20051/15/20052/11/20052/6/20051/16/20052/5/2005 53.0 51.0 46.0 44.0 43.0 40.0 39.0 39.0 NH4 6.29 6.05 5.45 5.21 5.09 4.73 4.61 4.61 NO3 19.45 18.71 16.85 16.11 15.74 14.63 14.26 14.26 SO4 1.72 1.66 1.49 1.43 1.39 1.30 1.26 1.26 OC 18.13 17.44 15.72 15.02 14.68 13.64 13.30 13.30 EC 2.19 2.10 1.89 1.81 1.77 1.64 1.60 1.60 Salt 0.29 0.28 0.25 0.24 0.24 0.22 0.22 0.22 Geologic 0.68 0.66 0.59 0.57 0.55 0.51 0.50 0.50 PB Water 3.74 3.60 3.24 3.10 3.03 2.82 2.75 2.75 Total 52.5 50.5 45.5 43.5 42.5 39.5 38.5 38.5

2017Q1 NH4 3.69 3.55 3.20 3.05 2.98 2.77 2.70 2.70 NO3 10.56 10.16 9.16 8.75 8.55 7.95 7.75 7.75 SO4 1.65 1.59 1.43 1.37 1.34 1.24 1.21 1.21 OC 7.61 7.32 6.59 6.30 6.16 5.72 5.58 5.58 EC 0.49 0.48 0.43 0.41 0.40 0.37 0.36 0.36 Salt 0.20 0.19 0.17 0.17 0.16 0.15 0.15 0.15 Geologic 0.50 0.49 0.44 0.42 0.41 0.38 0.37 0.37 PB Water 2.08 2.00 1.80 1.72 1.68 1.56 1.52 1.52 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 27.29 26.27 23.7222.7022.19 20.65 20.1420.14 Fresno - 1st Street

98th Percentile Rank

Current Mass

Future Mass2005Q4 12/12/200512/11/200512/14/200512/8/200512/7/200512/10/200511/24/200512/6/2005 86.0 78.0 77.0 76.0 75.0 74.0 71.0 67.0 NH4 9.46 8.57 8.46 8.35 8.24 8.13 7.80 7.35 NO3 29.87 27.08 26.7326.3826.03 25.68 24.6323.23 SO4 2.09 1.89 1.87 1.84 1.82 1.80 1.72 1.62 OC 32.57 29.52 29.1428.7628.38 27.99 26.8525.33 EC 4.05 3.67 3.62 3.57 3.53 3.48 3.34 3.15 Salt 0.53 0.48 0.48 0.47 0.46 0.46 0.44 0.41 Geologic 1.23 1.11 1.10 1.09 1.07 1.06 1.01 0.96 PB Water 5.71 5.18 5.11 5.05 4.98 4.91 4.71 4.44 Total 85.5 77.5 76.5 75.5 74.5 73.5 70.5 66.5

2017Q4 NH4 5.34 4.84 4.78 4.72 4.65 4.59 4.40 4.15 NO3 16.01 14.52 14.33 14.1413.95 13.77 13.20 12.45 SO4 1.85 1.67 1.65 1.63 1.61 1.59 1.52 1.44 OC 12.37 11.22 11.07 10.93 10.78 10.64 10.20 9.62 EC 0.86 0.78 0.77 0.76 0.75 0.74 0.71 0.67 Salt 0.36 0.33 0.32 0.32 0.31 0.31 0.30 0.28 Geologic 1.00 0.91 0.90 0.88 0.87 0.86 0.83 0.78 PB Water 3.11 2.81 2.78 2.74 2.71 2.67 2.56 2.42 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 41.40 37.57 37.1036.6236.14 35.66 34.2332.31

2006→ 2018 2006Q1 2/13/20062/10/20062/12/20062/11/20062/9/20061/12/20061/24/20061/23/2006 71.0 56.0 56.0 51.0 49.0 46.0 45.0 43.0 NH4 8.45 6.65 6.65 6.05 5.81 5.45 5.33 5.09 NO3 26.12 20.56 20.56 18.71 17.97 16.85 16.48 15.74 SO4 2.31 1.82 1.82 1.66 1.59 1.49 1.46 1.39 OC 24.35 19.17 19.17 17.4416.75 15.72 15.37 14.68 EC 2.94 2.31 2.31 2.10 2.02 1.89 1.85 1.77 Salt 0.39 0.31 0.31 0.28 0.27 0.25 0.25 0.24 Geologic 0.92 0.72 0.72 0.66 0.63 0.59 0.58 0.55 PB Water 5.03 3.96 3.96 3.60 3.46 3.24 3.17 3.03 Total 70.5 55.5 55.5 50.5 48.5 45.5 44.5 42.5

2018Q1 NH4 4.95 3.90 3.90 3.55 3.41 3.20 3.13 2.98 NO3 14.19 11.17 11.17 10.16 9.76 9.16 8.95 8.55 SO4 2.22 1.75 1.75 1.59 1.53 1.43 1.40 1.34 OC 10.22 8.04 8.04 7.32 7.03 6.59 6.45 6.16 EC 0.66 0.52 0.52 0.48 0.46 0.43 0.42 0.40 Salt 0.27 0.21 0.21 0.19 0.18 0.17 0.17 0.16 Geologic 0.68 0.53 0.53 0.49 0.47 0.44 0.43 0.41 PB Water 2.79 2.20 2.20 2.00 1.92 1.80 1.76 1.68 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 36.47 28.82 28.8226.2725.25 23.72 23.2122.19 Current Mass

Future Mass Current Mass

Future Mass2006Q4 12/25/200612/31/200612/19/200612/30/200611/22/200612/1/200611/21/200612/20/2006 58.0 57.0 51.0 50.0 49.0 48.0 46.0 45.0 NH4 6.36 6.25 5.58 5.47 5.36 5.25 5.03 4.92 NO3 20.09 19.74 17.6417.29 16.94 16.59 15.90 15.55 SO4 1.40 1.38 1.23 1.21 1.18 1.16 1.11 1.09 OC 21.90 21.52 19.23 18.85 18.47 18.09 17.33 16.95 EC 2.72 2.67 2.39 2.34 2.30 2.25 2.15 2.11 Salt 0.36 0.35 0.31 0.31 0.30 0.30 0.28 0.28 Geologic 0.83 0.81 0.73 0.71 0.70 0.68 0.65 0.64 PB Water 3.84 3.78 3.37 3.31 3.24 3.17 3.04 2.97 Total 57.5 56.5 50.5 49.5 48.5 47.5 45.5 44.5

2018Q4 NH4 3.59 3.53 3.16 3.09 3.03 2.97 2.84 2.78 NO3 10.77 10.58 9.46 9.27 9.08 8.90 8.52 8.33 SO4 1.24 1.22 1.09 1.07 1.05 1.03 0.98 0.96 OC 8.32 8.18 7.31 7.16 7.02 6.87 6.59 6.44 EC 0.58 0.57 0.51 0.50 0.49 0.48 0.46 0.45 Salt 0.24 0.24 0.21 0.21 0.20 0.20 0.19 0.19 Geologic 0.67 0.66 0.59 0.58 0.57 0.56 0.53 0.52 PB Water 2.09 2.05 1.83 1.80 1.76 1.73 1.65 1.62 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 28.01 27.53 24.6624.1823.70 23.22 22.2721.79

2007→ 2019 2007Q1 1/22/20071/1/20071/20/20072/4/20071/9/20071/10/20072/7/20071/3/2007 75.0 71.0 67.0 66.0 62.0 62.0 61.0 60.0 NH4 8.93 8.45 7.97 7.85 7.37 7.37 7.25 7.13 NO3 27.60 26.12 24.6324.2622.78 22.78 22.4122.04 SO4 2.44 2.31 2.18 2.15 2.02 2.02 1.98 1.95 OC 25.73 24.35 22.9722.6221.24 21.24 20.9020.55 EC 3.10 2.94 2.77 2.73 2.56 2.56 2.52 2.48 Salt 0.42 0.39 0.37 0.37 0.34 0.34 0.34 0.33 Geologic 0.97 0.92 0.86 0.85 0.80 0.80 0.79 0.77 PB Water 5.31 5.03 4.74 4.67 4.39 4.39 4.31 4.24 Total 74.5 70.5 66.5 65.5 61.5 61.5 60.5 59.5

2019Q1 NH4 5.23 4.95 4.67 4.60 4.32 4.32 4.25 4.18 NO3 14.99 14.19 13.38 13.18 12.38 12.38 12.17 11.97 SO4 2.35 2.22 2.09 2.06 1.94 1.94 1.90 1.87 OC 10.80 10.22 9.64 9.49 8.91 8.91 8.77 8.62 EC 0.70 0.66 0.63 0.62 0.58 0.58 0.57 0.56 Salt 0.28 0.27 0.25 0.25 0.23 0.23 0.23 0.23 Geologic 0.72 0.68 0.64 0.63 0.59 0.59 0.58 0.57 PB Water 2.95 2.79 2.63 2.59 2.43 2.43 2.39 2.35 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 38.51 36.47 34.4333.9231.88 31.88 31.3730.86 Current Mass

Future Mass

Current Mass

Future Mass2007Q4 12/15/200712/16/200712/13/200712/14/200712/12/200711/28/200711/29/200712/11/2007 80.5 79.5 68.5 66.5 66.0 64.9 64.4 59.7 NH4 8.85 8.74 7.52 7.30 7.24 7.12 7.07 6.55 NO3 27.95 27.60 23.7623.0622.88 22.50 22.3220.68 SO4 1.95 1.93 1.66 1.61 1.60 1.57 1.56 1.45 OC 30.47 30.09 25.9025.1424.95 24.53 24.3422.55 EC 3.79 3.74 3.22 3.12 3.10 3.05 3.02 2.80 Salt 0.50 0.49 0.42 0.41 0.41 0.40 0.40 0.37 Geologic 1.15 1.14 0.98 0.95 0.94 0.93 0.92 0.85 PB Water 5.35 5.28 4.54 4.41 4.38 4.30 4.27 3.96 Total 80.0 79.0 68.0 66.0 65.5 64.4 63.9 59.2

2019Q4 NH4 5.00 4.94 4.25 4.12 4.09 4.02 3.99 3.70 NO3 14.98 14.80 12.7412.36 12.27 12.06 11.97 11.09 SO4 1.73 1.71 1.47 1.43 1.41 1.39 1.38 1.28 OC 11.58 11.43 9.84 9.55 9.48 9.32 9.25 8.57 EC 0.80 0.79 0.68 0.66 0.66 0.65 0.64 0.60 Salt 0.34 0.33 0.29 0.28 0.27 0.27 0.27 0.25 Geologic 0.94 0.92 0.80 0.77 0.77 0.75 0.75 0.69 PB Water 2.91 2.87 2.47 2.40 2.38 2.34 2.32 2.15 Blank 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Total 38.77 38.29 33.0332.0731.83 31.31 31.0728.82 Current Mass

Future Mass