APPENDIX E$_{ }$ Figure E-3. Steps for Using EMFAC in a Quantitative PM Hot-spot Analysis  Source: EPA,  Transportation Conformity Guidance for Quantitative Hot-spot Analyses in PM$_{2.5 }$and PM$_{10 }$Non- attainment and Maintenance Area s, November 2013 [EPA-420-B-1013-040053].  96$_{ }$