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RFG Property and Performance Averages for Boston-Worcester, MA
| Summer | 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 | 3 | 2 | 2 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Average of oxygen (w%) | 2.18 | 2.12 | 2.15 | 2.08 | 2.01 | 2.17 | 2.10 | 2.09 | 2.08 | 2.14 | 2.07 | 3.55 |
| Average of benzene (v%) | 0.570 | 0.645 | 0.604 | 0.616 | 0.648 | 0.508 | 0.674 | 0.579 | 0.624 | 0.706 | 0.773 | 0.658 |
| Average of rvp (psi) | 7.78 | 7.76 | 7.84 | 7.87 | 7.88 | 6.81 | 6.85 | 6.78 | 6.84 | 6.85 | 6.95 | 6.84 |
| Average of aromatics (v%) | 22.25 | 23.82 | 24.07 | 25.14 | 24.64 | 19.37 | 20.38 | 21.73 | 22.06 | 24.02 | 23.80 | 22.94 |
| Average of sulfur (ppm) | 146 | 153 | 111 | 93 | 79 | 69 | 66 | 50 | 38 | |||
| Average of olefins (v%) | 8.86 | 8.86 | 9.77 | 12.10 | 13.11 | 13.14 | 11.95 | 11.52 | 10.08 | |||
| Average of E200 (%) | 49.4 | 49.6 | 47.9 | 49.2 | 46.7 | 47.4 | 49.1 | 50.5 | 47.9 | |||
| Average of E300 (%) | 84.0 | 85.0 | 86.7 | 85.7 | 84.1 | 83.9 | 84.8 | 85.3 | 85.2 | |||
| Average of T50 (F) | 201.5 | 201.3 | 204.3 | 201.3 | 206.6 | 205.5 | 201.8 | 199.0 | 205.7 | |||
| Average of T90 (F) | 325.2 | 322.0 | 315.4 | 321.2 | 326.1 | 327.3 | 322.5 | 321.9 | 320.8 | |||
| Average of MTBE (w%) | 10.14 | 10.37 | 10.70 | 10.23 | 9.52 | 10.59 | 9.96 | 10.36 | 10.12 | 10.88 | 10.03 | 0.02 |
| Average of ethanol (w%) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 10.21 |
| Average of TAME (w%) | 1.74 | 1.39 | 1.17 | 1.36 | 1.76 | 1.51 | 1.83 | 1.29 | 1.47 | 1.02 | 0.82 | 0.00 |
| Average of ETBE (w%) | 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 TPA (w%) | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
| Average of IPA (w%) | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 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 | 0.01 | 0.01 | 0.00 | 0.01 | 0.03 | 0.04 | 0.03 | 0.05 | 0.04 | 0.03 | 0.00 |
| Average of NPA (w%) | 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 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of DIPE (w%) | 0.23 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of IBA (w%) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of methanol (w%) | 0.02 | 0.01 | 0.06 | 0.02 | 0.02 | 0.03 | 0.02 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 |
| Avg Ethanol Volume% | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 9.66 | ||||||
| Avg Specific Gravity | 0.749 | 0.748 | 0.752 | |||||||||
| Phase I Complex Model VOC Reduction (%) | 22.33 | 22.36 | ||||||||||
| Phase I Complex Model Toxics Reduction (%) | 35.74 | 35.33 | ||||||||||
| Phase I Complex Model NOx Reduction (%) | 7.43 | 7.21 | ||||||||||
| Phase II Complex Model VOC Reduction (%) | 16.77 | 17.01 | 28.10 | 28.46 | 28.28 | 27.88 | 27.87 | 27.53 | 28.12 | |||
| Phase II Complex Model Toxics Reduction (%) | 30.76 | 30.48 | 36.19 | 34.11 | 33.91 | 33.53 | 32.46 | 32.00 | 30.79 | |||
| Phase II Complex Model NOx Reduction (%) | 7.34 | 7.17 | 10.54 | 9.77 | 9.48 | 9.73 | 9.98 | 10.73 | 12.38 | |||
*Click on a data value hyperlink to see a graph comparing this area to other areas for the particular RFG parameter.
RFG Property and Performance Averages for
Boston-Worcester, MA
| 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 | 4 | 2 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Average of oxygen (w%) | 2.10 | 1.98 | 1.96 | 2.06 | 2.10 | 2.14 | 2.11 | 2.05 | 2.05 | 2.04 | 2.03 | 2.81 |
| Average of benzene (v%) | 0.533 | 0.680 | 0.728 | 0.697 | 0.687 | 0.653 | 0.622 | 0.663 | 0.694 | 0.765 | 0.677 | 0.695 |
| Average of rvp (psi) | ||||||||||||
| Average of aromatics (v%) | 17.44 | 20.05 | 21.49 | 21.20 | 22.17 | 19.76 | 18.75 | 19.59 | 18.57 | 20.22 | 19.54 | 20.24 |
| Average of sulfur (ppm) | 162 | 161 | 140 | 122 | 143 | 86 | 59 | 52 | 37 | |||
| Average of olefins (v%) | 8.89 | 9.10 | 9.88 | 10.54 | 11.11 | 11.84 | 9.76 | 10.62 | 11.09 | |||
| Average of E200 (%) | 56.2 | 56.0 | 57.7 | 56.4 | 57.6 | 56.5 | 56.8 | 57.3 | 58.1 | |||
| Average of E300 (%) | 86.9 | 86.2 | 88.3 | 88.4 | 87.5 | 88.2 | 87.1 | 87.2 | 87.8 | |||
| Average of T50 (F) | 185.7 | 186.0 | 182.9 | 185.4 | 182.2 | 184.4 | 184.1 | 182.4 | 173.1 | |||
| Average of T90 (F) | 314.8 | 319.4 | 307.7 | 308.6 | 313.3 | 309.2 | 314.5 | 315.2 | 310.4 | |||
| Average of MTBE (w%) | 9.60 | 9.13 | 9.20 | 9.57 | 8.96 | 9.80 | 9.54 | 9.98 | 10.40 | 10.07 | 9.98 | 4.54 |
| Average of ethanol (w%) | 0.07 | 0.22 | 0.10 | 0.18 | 0.33 | 0.30 | 0.36 | 0.18 | 0.30 | 0.22 | 0.38 | 5.55 |
| Average of TAME (w%) | 1.96 | 1.29 | 1.56 | 1.64 | 2.27 | 1.58 | 1.59 | 1.05 | 0.23 | 0.82 | 0.43 | 0.40 |
| Average of ETBE (w%) | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 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 |
| 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 | 0.02 | 0.01 | 0.00 | 0.01 | 0.03 | 0.02 | 0.04 | 0.05 | 0.04 | 0.04 | 0.01 |
| Average of NPA (w%) | 0.00 | 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 | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 |
| Average of DIPE (w%) | 0.14 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
| Average of IBA (w%) | 0.00 | 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%) | 0.01 | 0.01 | 0.02 | 0.01 | 0.02 | 0.03 | 0.02 | 0.03 | 0.04 | 0.01 | 0.01 | 0.00 |
| Avg Ethanol Volume% | 0.33 | 0.17 | 0.28 | 0.20 | 0.35 | 5.14 | ||||||
| Avg Specific Gravity | 0.732 | 0.730 | 0.732 | |||||||||
| Phase I Complex Model VOC Reduction (%) | 7.76 | 7.55 | ||||||||||
| Phase I Complex Model Toxics Reduction (%) | 25.94 | 25.31 | ||||||||||
| Phase I Complex Model NOx Reduction (%) | 8.06 | 7.61 | ||||||||||
| Phase II Complex Model VOC Reduction (%) | ||||||||||||
| Phase II Complex Model Toxics Reduction (%) | 26.21 | 25.61 | 28.17 | 29.11 | 27.88 | 28.93 | 28.30 | 29.37 | 27.50 | |||
| Phase II Complex Model NOx Reduction (%) | 8.22 | 7.73 | 9.00 | 9.82 | 8.54 | 10.53 | 12.04 | 12.24 | 12.52 | |||
*Click on a data value hyperlink to see a graph comparing this area to other areas for the particular RFG parameter.