00498nam 2200157z- 450 9910712243703321(CKB)5470000002491686(EXLCZ)99547000000249168620230509c1998uuuu -u- -engSoak length activity factors for start emissionsWashington, D.CU.S. EPA, Assessment and Modeling DivisionBOOK9910712243703321Soak length activity factors for start emissions3347011UNINA