Challenges Quantifying Hydroxylated Polyaromatic Hydrocarbons in Aerosols

Why do we care about Hydroxylated PAHs?

"This research project had three..."

Hydroxylated PAHs Investigated

Derivatization Options

Slide 6

Comparison of Derivatization Reagents

Aerosol Collection Media

Extraction Procedures

OH-PAHs with Good Recoveries

OH-PAHs with Poor Recoveries

Diesel Particulate Collection and Analysis

OH-PAHs in Diesel Particulate Matter (mg/g)

Tentative OH-PAHs in Diesel Soot

Concentrations (mg/g) of PAHs and OH-PAH for Diesel Vehicles

Slide 16

Acknowledgements