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?