1. Asami Osato
EHS Intern
Summer 2015
Emission Inventory and
Health Risk Assessment

2. Outline
 About me
 Assembly Bill 2588: The Hot Spots Act
 Health Risk Assessment (HRA)
 My Project: Lompoc Facility HRA
 Data Sources
 Hot Spots Analysis Reporting Program (HARP) Software
 HARP Outputs
 Next Steps

3. About me
 San Jose, CA
 UC Santa Barbara – Class of 2015
 Environmental Studies, B.S.
 Senior Thesis – methane emissions from
Compressed Air Energy Storage in CA
 SCUBA certified in 2014

4. AB 2588: The Hot Spots Act (1987)
 California regulation on air toxics
Collect emission data
Identify impacts
Consider health risks
Reduce risks
Disclose to the public
 Federal Regulation: Clean Air Act (1963)

5. Health Risk Assessment (HRA)
 Significance Thresholds
Public disclosure
 Past HRAs
1998 – Lompoc facility
2012 – 7 System Modification
 New permits with new standards
Updated analysis needed

6. My Project

7. Data Sources
 Start with Air Toxic Emission Inventory Plan…
Types of Data Source
Equipment Emission Factors 2015, 2011, 1990 Source Tests
Hours of Operation, Fuel Usage Operation Records
Fuel Conversion Factors Air Permits
Building & Property coordinates and elevation Google Earth
Emission points - coordinates and elevation 2012 HRA for 7 System Modification
Meteorological Data Santa Barbara County APCD
Terrain Data USGS
 137 Devices (Baghouses, Conveyors, Boilers, etc. )

8. Google Earth

9. Hot Spots Analysis and Reporting Program (HARP)

11. HARP Outputs

13. HARP Output

14. Next Steps

15. Thank You!
 Special thanks to Vindi Ndulute, Lorie Ries, Bruce Coggin,
Felicia Kaminsky, Karen Jurosky, Mike Mulder, Matt Prue,
and Kim Andrade
 Thank you Imerys for a great summer!
 Questions?