1. Carolina Environmental Program Status of SMOKE Catherine Seppanen Carolina Environmental Program University of North Carolina - Chapel Hill

2. Carolina Environmental Program History  Sparse Matrix Operator Kernel Emissions (SMOKE) Modeling System  Processes emissions for input into air quality models  Developed at MCNC by Marc Houyoux  Now under active development at CEP  Funding primarily from EPA and through CMAS

3. Carolina Environmental Program Release Schedule  SMOKE v1.5 released in early 2003  Several patches available during the summer  SMOKE v2.0 released on Sept. 30, 2003  Planning to release SMOKE v2.1 in January 2004

4. Carolina Environmental Program SMOKE v2.0 Highlights  Support for all toxic source categories –SMOKE v1.5 supported nonroad and on- road mobile sources –SMOKE v2.0 adds support for non-point and point sources –Processes additional fields from the NIF (MACT, NAICS, source type code, and emission release point type)

5. Carolina Environmental Program Toxics Support  New inventory format (ORL) for toxics data  Handles 8- and 10-digit SCCs within the same source category (non-point, nonroad, and point)  Revised controls to use MACT-based assignments  Can assign speciation profiles by MACT and SIC

6. Carolina Environmental Program More on SMOKE v2.0  Updates to SMOKE/MOBILE6 integration –First released in SMOKE v1.5 –Travel on freeway ramps accounted for when estimating freeway emissions –New settings for treatment of freeway speeds –Support for hourly speed profiles  Revised plume rise calculations  Changed terminology from “ozone season” to more general “average day”

7. Carolina Environmental Program More on SMOKE v2.0  Revised and expanded user’s guide –Had not been updated since SMOKE v1.4 –More introductory and conceptual material –Better explanations of directory structure and file locations –More detailed information on “nctox” release case –Updated for new programs, environment variables, and files

8. Carolina Environmental Program SMOKE v2.0 Availability  Download executables, scripts, and data through the CMAS Model Clearinghouse http://www.cmascenter.org/modelclear.shtml  User’s guide available online at the main SMOKE website http://www.cep.unc.edu/empd/products/smoke/

9. Carolina Environmental Program Future Work  Additional quality assurance updates  Use humidity data from meteorology files when running SMOKE/MOBILE6  Externally accessible code archive for better community collaboration  NIF-to-IDA converter

10. Carolina Environmental Program Problems and Questions  Problems and questions can be submitted online through the CMAS Help Desk http://www.cmascenter.org/help.shtml  Uses the Bugzilla bug tracking system  Searchable archive of current and resolved issues