Weekend/Weekday Ozone Observations in the South Coast Air Basin

Table 4.4-3c
Source Contribution Estimates (Percent) for Mobile Van Samples
Date
Sample
ID
Gasoline
Exhasut
Diesel
Exhaust
Gasoline
Vapor CNG LPG
Surface
Coatings
Consumer
Products Unexplained
Mon, 10/2/00 IH1 64.14 4.07 8.98 8.07 8.99 2.52 3.24 1.60
CV1 66.52 7.85 7.00 6.41 5.80 2.39 4.03 5.26
DS1 50.38 8.37 4.02 21.09 6.74 1.50 7.90 1.12
CO1 97.17 0.00 0.00 0.00 2.44 0.00 0.31 26.27
HF1 92.54 2.15 2.13 0.57 1.49 0.55 0.57 0.00
DS2 88.62 1.62 3.29 1.00 2.99 0.92 1.56 6.79
CO2 76.43 5.41 6.58 0.36 6.53 0.00 4.66 8.36
CV2 71.89 10.31 5.88 1.21 4.72 1.38 4.50 1.51
IH2 NA NA NA NA NA NA NA NA
PO1 60.87 20.33 10.56 1.73 4.67 0.00 1.56 1.87
Wed, 10/4/00 IH1 60.46 6.32 11.59 4.06 6.17 4.47 6.93 7.66
CV1 60.91 11.03 8.25 4.22 4.87 4.45 6.26 7.82
DS1 49.17 12.73 10.68 9.12 5.23 5.82 7.25 0.46
CO1 79.55 6.32 7.37 0.57 2.62 1.31 2.24 9.20
HF1 74.85 2.61 4.93 9.33 2.41 2.01 3.85 0.00
DS2 84.50 2.52 4.84 1.04 2.89 1.18 3.04 1.00
CO2 75.79 10.25 6.90 3.23 1.86 0.55 1.40 1.92
CV2 83.53 8.02 3.17 0.00 2.49 1.34 1.44 7.29
IH2 66.06 5.15 7.24 1.48 8.07 3.28 8.72 0.00
PO1 73.70 17.93 0.48 0.04 4.52 1.16 2.12 13.00
Sat, 10/7/00 IH1 70.13 4.25 7.24 3.91 4.99 4.56 4.92 0.00
CV1 72.92 4.51 6.24 3.68 4.67 2.21 5.77 0.34
DS1 49.02 3.59 9.99 22.41 5.22 0.59 9.17 6.16
CO1 82.57 2.40 5.86 2.27 3.50 0.90 2.49 6.38
HF1 89.22 0.19 2.63 4.55 1.16 0.00 2.24 2.74
DS2 80.73 1.67 3.36 5.54 3.27 0.42 5.01 3.26
CO2 79.66 5.02 4.55 1.55 4.02 2.13 3.07 5.01
CV2 79.64 4.49 4.86 1.94 4.60 2.05 2.43 4.05
IH2 60.03 7.35 7.75 5.84 7.42 4.84 6.68 0.00
PO1 83.39 5.86 3.45 0.32 3.40 0.87 2.67 2.60
Sun, 10/8/00 IH1 61.20 5.59 10.15 5.21 6.68 4.44 6.74 0.00
CV1 77.80 4.47 3.61 4.84 2.69 3.06 3.54 22.19
DS1 74.26 3.67 5.67 6.08 1.82 4.25 4.24 0.00
CO1 62.10 2.71 10.98 8.69 5.65 4.27 5.60 0.00
HF1 75.44 4.04 4.08 5.41 1.92 6.72 2.37 0.00
DS2 75.25 4.44 4.71 5.60 2.56 4.15 3.29 0.00
CO2 73.03 4.69 7.69 3.89 4.02 2.78 3.88 2.14
CV2 77.91 1.48 7.24 3.11 4.14 2.68 3.39 4.35
IH2 51.54 7.54 11.34 9.27 7.30 3.57 9.44 0.00
PO1 78.49 3.03 7.11 2.27 3.84 1.05 4.18 1.10
Tue, 10/3/00 TSD 61.48 21.54 3.93 2.25 3.77 4.17 2.86 2.75
TS1 47.21 35.55 4.90 3.34 4.84 1.83 2.33 0.00
TS2 46.89 26.93 8.31 4.54 5.64 2.53 5.16 2.15
TS3 46.74 26.58 7.46 3.85 6.37 3.33 5.67 6.19
TSU 51.26 10.49 12.78 5.85 7.95 3.89 7.78 13.23
Fri, 10/6/00 SC 88.74 1.32 2.45 0.00 2.51 2.27 2.70 5.75
CS 82.23 2.92 4.35 0.00 6.06 1.76 2.67 3.28
DH 74.09 7.13 7.94 0.00 4.97 2.81 3.06 2.14
DL 79.33 4.02 6.61 0.00 2.99 2.55 4.50 0.00
PS 75.50 6.06 5.25 0.00 3.43 4.28 5.48 0.00
MH 60.82 4.17 6.37 9.84 7.28 2.58 8.93 0.00
4-31