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RFG Property and Performance Averages for Hartford, CT

Summer Years & Standards:
Simple Model
Phase I
Complex
Phase II
Complex
 Data 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2005** 2006
Number of surveys 8 5 5 6 7 6 7 6 6 6 5 1 6
Average of oxygen (w%) 2.13 2.03 2.02 2.04 2.02 2.13 2.10 2.12 2.13 3.54 3.59 3.63 3.55
Average of benzene (v%) 0.628 0.642 0.665 0.625 0.629 0.501 0.663 0.600 0.733 0.723 0.685 0.798 0.721
Average of rvp (psi) 7.88 7.85 7.90 7.91 7.93 6.88 6.77 6.88 6.83 6.84 6.92 7.00 6.88
Average of aromatics (v%) 23.27 23.44 25.93 24.52 23.10 17.53 20.99 20.05 22.48 22.40 22.75 23.11 23.53
Average of sulfur (ppm) 183 157 125 111 113 71 87 59 54 39
Average of olefins (v%) 10.75 11.40 11.63 11.59 12.87 12.12 12.21 11.57 9.87 9.09
Average of E200 (%) 49.8 50.3 48.6 47.9 48.0 48.0 46.4 47.2 47.4 46.1
Average of E300 (%) 84.7 84.4 86.4 85.4 85.5 85.5 84.4 85.6 85.6 87.2
Average of T50 (F) 200.7 199.5 203.0 204.2 203.9 203.8 209.5 207.6 207.3 210.0
Average of T90 (F) 324.2 326.4 318.0 320.9 321.6 319.6 323.7 319.0 318.6 311.9
Average of MTBE (w%) 10.40 10.29 10.39 10.38 9.08 9.21 9.60 9.27 9.24 0.06 0.03 0.03 0.01
Average of ethanol (w%) 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 10.16 10.33 10.43 10.21
Average of TAME (w%) 1.05 0.85 0.67 0.87 2.36 2.86 2.20 2.74 2.87 0.01 0.00 0.00 0.01
Average of ETBE (w%) 0.13 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00
Average of TPA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00
Average of IPA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of NBA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of TBA (w%) 0.03 0.02 0.00 0.00 0.01 0.03 0.03 0.04 0.02 0.00 0.00 0.00 0.00
Average of NPA (w%) 0.02 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of SBA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of DIPE (w%) 0.20 0.07 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of IBA (w%) 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of methanol (w%) 0.03 0.02 0.06 0.03 0.02 0.03 0.04 0.03 0.01 0.00 0.00 0.00 0.00
Avg Ethanol Volume% 0.00 0.00 0.00 9.61 9.77 9.88 9.70
Avg Specific Gravity 0.751 0.751 0.752 0.754
Phase I Complex Model VOC Reduction (%) 21.95 21.94
Phase I Complex Model Toxics Reduction (%) 35.02 36.08
Phase I Complex Model NOx Reduction (%) 5.34 6.22
Phase II Complex Model VOC Reduction (%) 16.78 17.38 28.27 28.40 28.01 28.25 27.74 27.68 27.71
Phase II Complex Model Toxics Reduction (%) 30.05 31.27 36.55 33.53 34.28 32.81 28.92 30.02 30.32
Phase II Complex Model NOx Reduction (%) 5.34 6.19 9.68 9.18 8.52 10.12 9.67 11.01 13.01

*Click on a data value hyperlink to see a graph comparing this area to other areas for the particular RFG parameter.

**These surveys conducted between 9/2/05 and 9/15/05 are not included in the adjacent column averages.
EPA allowed early use of winter gasoline in a Hurricane Katrina-related waiver issued August 31, 2005.

RFG Property and Performance Averages for Hartford, CT

Winter Years & Standards:
Simple Model
Phase I
Complex
Phase II
Complex
 Data 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
Number of surveys 9 6 4 5 4 4 4 4 4 5 5 5
Average of oxygen (w%) 2.20 2.06 2.17 2.06 2.10 2.12 2.06 2.01 2.37 3.60 3.66 3.67
Average of benzene (v%) 0.523 0.681 0.663 0.665 0.602 0.624 0.652 0.718 0.720 0.779 0.746 0.818
Average of rvp (psi)
Average of aromatics (v%) 18.92 19.05 22.28 22.61 21.89 17.54 18.73 19.13 20.59 21.93 19.62 19.49
Average of sulfur (ppm) 194 173 163 148 125 120 105 87 46
Average of olefins (v%) 9.97 12.35 11.58 12.14 12.00 10.70 10.96 10.48 9.62
Average of E200 (%) 55.2 55.7 57.3 56.7 57.6 57.4 56.2 57.0 60.8
Average of E300 (%) 85.5 84.7 87.9 88.7 89.2 87.5 85.0 86.8 89.2
Average of T50 (F) 186.9 186.4 183.5 185.3 182.7 178.8 171.5 168.5 155.8
Average of T90 (F) 321.4 326.6 310.6 305.7 303.6 311.2 321.4 314.9 303.6
Average of MTBE (w%) 10.58 9.82 10.20 9.79 8.85 9.01 9.36 8.85 7.33 0.09 0.09 0.03
Average of ethanol (w%) 0.22 0.35 0.51 0.35 0.41 0.43 0.27 0.45 2.72 10.33 10.48 10.55
Average of TAME (w%) 0.93 0.65 0.79 0.98 2.18 2.05 1.60 1.53 0.54 0.01 0.00 0.00
Average of ETBE (w%) 0.01 0.03 0.00 0.00 0.00 0.00 0.01 0.02 0.01 0.00 0.00 0.00
Average of TPA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00
Average of IPA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of NBA (w%) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of TBA (w%) 0.02 0.03 0.01 0.00 0.01 0.04 0.03 0.02 0.03 0.00 0.00 0.00
Average of NPA (w%) 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of SBA (w%) 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00
Average of DIPE (w%) 0.10 0.17 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00 0.00
Average of IBA (w%) 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average of methanol (w%) 0.05 0.03 0.04 0.02 0.03 0.03 0.04 0.02 0.02 0.00 0.00 0.00
Avg Ethanol Volume% 0.25 0.42 2.52 9.61 9.72 9.73
Avg Specific Gravity 0.739 0.737 0.732
Phase I Complex Model VOC Reduction (%) 6.58 7.74
Phase I Complex Model Toxics Reduction (%) 24.06 25.27
Phase I Complex Model NOx Reduction (%) 6.19 5.92
Phase II Complex Model VOC Reduction (%)
Phase II Complex Model Toxics Reduction (%) 24.50 25.63 28.80 28.08 27.79 26.17 22.30 24.45 26.02
Phase II Complex Model NOx Reduction (%) 6.35 6.02 8.23 8.06 8.58 8.81 9.34 10.96 12.97

*Click on a data value hyperlink to see a graph comparing this area to other areas for the particular RFG parameter.

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