Post on 20-Jan-2017
Asami OsatoEHS Intern
Summer 2015
Emission Inventory and Health Risk Assessment
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
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
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)
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
My Project
Emissions
MathematicalModel
Meteorology Terrain
Ground Level Concentration
VSReference Exposure Level
Cancer Risk
Exposure
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. )
Google Earth
Hot Spots Analysis and Reporting Program (HARP)
HARP Outputs
HARP Output
Next Steps
More Data
Run ModelComplete Emission Inventory
New Ground Level Concentrations
Complete Health Risk Assessment
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?