EMFAC settings by analysis type
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EMFAC settings for different types of analysis for MTC:
(Note that the setting below applies to emfac2014 and emfac2017 only.)
| EMFAC GUI Screen | Selection category | Options | Type of analysis | |||
|---|---|---|---|---|---|---|
| SB375 emfac prep | AQ conformity | EIR | RTP Development (Project Performance, Horizon, etc) | |||
| 1 | Run Mode | Emissions | x | x | x | x |
| Emissions Rates | x | |||||
| Run Type | Default Activity | |||||
| Custom Activity | x | x | x | x | ||
| Generate template or load file | Generate Custom Activity Template | x | x | x | x | |
| Load Custom Activity File | ||||||
| Input Emission Rate Parameters | x | |||||
| 2 | Area | Sub-Area | Pick the nine Bay Area counties. Note that Sonoma and Solano is covered by two air basins, so the total number of subareas is 11* | Nonattainment Area/SF Air Basin only [excludes northern Sonoma and eastern Solano] | Nonattainment Area/SF Air Basin only [excludes northern Sonoma and eastern Solano] | Pick the nine Bay Area counties. Note that Sonoma and Solano is covered by two air basins, so the total number of subareas is 11 |
| 3 | Calendar Year | 2000 to 2050 | pick the analysis year | Horizon year of RTP plus interim years [no more than 10 years apart] | Horizon year of RTP plus Base year | Horizon year of RTP plus Base year |
| Season/ Month | Season | Annual | Summer and Winter | Summer, Winter and Annual | Summer, Winter and Annual | |
| Month | N/A | N/A | N/A | N/A | ||
| 4 | VMT Data Type | Total Daily VMT | x | x | x | |
| VMT by Vehicle and Fuel Type | x | |||||
| Custom Hourly Speed Fractions | x | x | x | x |
Notes:
- Note that the script emfac_prep will calculate the total VMT for Sonoma (SF) and Solano (SF) (as part of Sonoma and Solano are not in the SF air basin)