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RFG Property and Performance Averages for Washington, D.C.-area
| 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 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 4 | 3 | 2 | 1 | 3 |
| Average of oxygen (w%) | 2.13 | 1.92 | 1.97 | 1.99 | 2.03 | 2.11 | 1.96 | 1.99 | 2.09 | 2.08 | 2.00 | 1.98 | 3.56 |
| Average of benzene (v%) | 0.603 | 0.631 | 0.617 | 0.665 | 0.649 | 0.584 | 0.594 | 0.558 | 0.566 | 0.595 | 0.679 | 0.637 | 0.602 |
| Average of rvp (psi) | 7.04 | 7.07 | 7.14 | 7.09 | 7.05 | 6.76 | 6.72 | 6.73 | 6.67 | 6.71 | 6.86 | 6.90 | 6.87 |
| Average of aromatics (v%) | 27.35 | 26.07 | 27.20 | 26.72 | 26.47 | 19.44 | 20.32 | 19.67 | 18.65 | 20.83 | 21.28 | 19.71 | 19.47 |
| Average of sulfur (ppm) | 213 | 221 | 159 | 153 | 173 | 154 | 73 | 85 | 86 | 48 | |||
| Average of olefins (v%) | 10.94 | 11.32 | 9.78 | 9.90 | 10.99 | 10.29 | 11.19 | 12.18 | 11.02 | 11.18 | |||
| Average of E200 (%) | 47.8 | 48.0 | 49.4 | 47.9 | 48.5 | 48.9 | 47.7 | 50.2 | 49.2 | 48.0 | |||
| Average of E300 (%) | 81.9 | 81.7 | 84.0 | 83.9 | 83.7 | 83.4 | 81.4 | 82.6 | 82.9 | 82.7 | |||
| Average of T50 (F) | 205.5 | 205.0 | 201.3 | 204.3 | 203.0 | 202.1 | 205.0 | 199.4 | 201.7 | 206.0 | |||
| Average of T90 (F) | 337.8 | 338.3 | 333.4 | 333.3 | 334.5 | 335.8 | 342.4 | 336.7 | 337.3 | 337.9 | |||
| Average of MTBE (w%) | 10.47 | 9.17 | 9.67 | 9.85 | 9.59 | 10.43 | 9.84 | 10.13 | 10.35 | 10.43 | 10.17 | 10.09 | 0.01 |
| Average of ethanol (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 | 10.18 |
| Average of TAME (w%) | 0.96 | 1.33 | 1.17 | 1.15 | 1.75 | 1.19 | 0.84 | 0.65 | 0.93 | 0.75 | 0.64 | 0.62 | 0.00 |
| Average of ETBE (w%) | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 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 | 0.00 | 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 | 0.01 |
| 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%) | 0.07 | 0.03 | 0.01 | 0.01 | 0.02 | 0.03 | 0.06 | 0.06 | 0.06 | 0.07 | 0.06 | 0.05 | 0.00 |
| Average of NPA (w%) | 0.04 | 0.03 | 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 | 0.02 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of DIPE (w%) | 0.29 | 0.14 | 0.06 | 0.09 | 0.06 | 0.17 | 0.23 | 0.26 | 0.29 | 0.38 | 0.24 | 0.28 | 0.13 |
| Average of IBA (w%) | 0.02 | 0.01 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of methanol (w%) | 0.01 | 0.01 | 0.03 | 0.00 | 0.01 | 0.01 | 0.02 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Avg Ethanol Volume% | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.59 | ||||||
| Avg Specific Gravity | 0.746 | 0.745 | 0.743 | 0.748 | |||||||||
| Phase I Complex Model VOC Reduction (%) | 38.38 | 39.22 | |||||||||||
| Phase I Complex Model Toxics Reduction (%) | 34.87 | 35.23 | |||||||||||
| Phase I Complex Model NOx Reduction (%) | 4.16 | 3.64 | |||||||||||
| Phase II Complex Model VOC Reduction (%) | 24.14 | 24.53 | 29.63 | 29.70 | 29.56 | 30.33 | 29.74 | 29.50 | 29.75 | ||||
| Phase II Complex Model Toxics Reduction (%) | 28.19 | 28.47 | 34.92 | 34.06 | 34.25 | 35.30 | 34.86 | 33.68 | 32.45 | ||||
| Phase II Complex Model NOx Reduction (%) | 3.94 | 3.41 | 8.45 | 8.48 | 7.41 | 8.69 | 10.85 | 9.45 | 12.63 | ||||
*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 Washington, D.C.-area
| 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 | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Average of oxygen (w%) | 2.71 | 1.87 | 1.96 | 1.91 | 2.01 | 1.98 | 1.94 | 1.98 | 2.01 | 2.05 | 1.94 | 3.08 |
| Average of benzene (v%) | 0.537 | 0.580 | 0.624 | 0.578 | 0.565 | 0.543 | 0.571 | 0.587 | 0.633 | 0.568 | 0.600 | 0.583 |
| Average of rvp (psi) | ||||||||||||
| Average of aromatics (v%) | 18.54 | 21.46 | 20.49 | 21.81 | 20.67 | 17.79 | 19.65 | 18.91 | 19.24 | 18.56 | 18.61 | 20.80 |
| Average of sulfur (ppm) | 237 | 236 | 230 | 231 | 276 | 246 | 115 | 85 | 46 | |||
| Average of olefins (v%) | 8.88 | 10.05 | 10.48 | 10.36 | 11.32 | 9.75 | 11.09 | 9.16 | 9.11 | |||
| Average of E200 (%) | 54.6 | 55.5 | 54.4 | 53.5 | 54.7 | 54.5 | 55.7 | 55.9 | 54.9 | |||
| Average of E300 (%) | 84.2 | 84.7 | 85.3 | 84.1 | 83.2 | 82.4 | 83.9 | 84.5 | 83.4 | |||
| Average of T50 (F) | 187.4 | 186.3 | 188.9 | 191.0 | 187.7 | 187.5 | 184.7 | 184.4 | 180.3 | |||
| Average of T90 (F) | 330.1 | 328.0 | 326.3 | 330.0 | 336.3 | 339.5 | 331.8 | 329.7 | 334.2 | |||
| Average of MTBE (w%) | 13.18 | 8.86 | 9.63 | 9.58 | 9.87 | 9.71 | 9.73 | 9.96 | 10.12 | 10.42 | 9.94 | 3.42 |
| Average of ethanol (w%) | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 6.90 |
| Average of TAME (w%) | 1.32 | 1.19 | 1.23 | 1.05 | 1.26 | 1.21 | 0.99 | 0.88 | 0.79 | 0.55 | 0.46 | 0.18 |
| Average of ETBE (w%) | 0.04 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.01 |
| Average of TPA (w%) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 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 | 0.01 | 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%) | 0.03 | 0.03 | 0.00 | 0.01 | 0.01 | 0.04 | 0.03 | 0.05 | 0.07 | 0.08 | 0.04 | 0.01 |
| Average of NPA (w%) | 0.03 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of SBA (w%) | 0.02 | 0.02 | 0.03 | 0.00 | 0.01 | 0.03 | 0.00 | 0.01 | 0.01 | 0.02 | 0.01 | 0.00 |
| Average of DIPE (w%) | 0.19 | 0.19 | 0.08 | 0.07 | 0.14 | 0.13 | 0.08 | 0.10 | 0.23 | 0.33 | 0.29 | 0.15 |
| 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 |
| Average of methanol (w%) | 0.04 | 0.03 | 0.00 | 0.00 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 |
| Avg Ethanol Volume% | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.43 | ||||||
| Avg Specific Gravity | 0.732 | 0.732 | 0.738 | |||||||||
| Phase I Complex Model VOC Reduction (%) | 5.21 | 6.30 | ||||||||||
| Phase I Complex Model Toxics Reduction (%) | 24.41 | 25.50 | ||||||||||
| Phase I Complex Model NOx Reduction (%) | 5.50 | 5.20 | ||||||||||
| Phase II Complex Model VOC Reduction (%) | ||||||||||||
| Phase II Complex Model Toxics Reduction (%) | 24.85 | 25.86 | 27.48 | 25.84 | 25.09 | 25.41 | 29.12 | 29.63 | 26.62 | |||
| Phase II Complex Model NOx Reduction (%) | 5.64 | 5.38 | 6.41 | 5.96 | 4.14 | 5.68 | 9.77 | 11.91 | 13.17 | |||
*Click on a data value hyperlink to see a graph comparing this area to other areas for the particular RFG parameter.