Skip Navigation LinksOAQ-Staff

environmental health laboratory branch

OAQ Staff and Research Specialties

Chief, Outdoor Air Quality Section

Stephen Wall, Ph.D., Research Scientist

Research project proposals and management, subject matter expert in environmental forensics methods development and laboratory information management system (LIMS) applications


Emergency Preparedness Unit

Kevin Chao, Ph.D., Research Scientist

All hazards preparedness training, CBRNE, chemical incident response, laboratory response network, chemical release exposure and plume modeling

David Pierotti, Ph.D., Research Scientist

All hazards substance screening, Chemical incident response, mobile laboratory, GC/MS, canister sampling


Environmental Exposure Investigations Unit

Sutapa Ghosal, Ph.D., Research Scientist

Raman micro-spectroscopy, flame retardants, environmental forensics, bioaerosols, secondary ion mass spectrometry

Paul Wong, M.S., Research Scientist

Environmental lead, trace metals, ion chromatography, ICP/MS, XRF


Forensic Special Studies Unit

Jeff Wagner, Ph.D., Research Scientist

Electron microscopy, FTIR micro-spectroscopy, environmental forensics, particle samplers, natural occurences of asbestos

Zhong-Min Wang, Ph.D., Research Scientist

Nanoparticle generation, nanoparticle sampling, electron microscopy, XRD, XRF

Page Last Updated :