Subject Matter Experts


Daniel Fitzgerald

Daniel E. Fitzgerald

Refinery/Petrochemical, Emissions Testing

Michael Krall

Emissions Testing
Kevin Crosby

Kevin Crosby

Emissions Testing
Don Chapman

Don Chapman

Ethanol/Chemical, Emissions Testing
Pat Clark copy

Patrick Clark, PE

Ambient and Advanced/Real-time Air Quality
Peter Zemek

Peter Zemek, PhD

Advanced/Real-time Air Quality
David Berkowitz

David Berkowitz

Fenceline Monitoring
Montrose Environmental group

Greg Burch

Refineries, Emissions Testing


Peter Arth copy

Peter Arth

Environmental Toxicology
Marcus Hueppe

Marcus Hueppe

Air Analysis
Alice Delia copy

Alice Delia, PhD

Indoor Air Analysis
Bryan Vining copy

Bryan Vining, PhD

Ultratrace Analysis


Mark Richards copy

Mark Richards

Paul Dumas copy

Paul Dumas


Terence Trefiak

Optical Gas Imaging

Soil & Groundwater Remediation

Kirk Kessler

Kirk Kessler, PG

Environmental Remediation
Connie Tsentas

Constantine Tsentas, PG

Environmental Remediation
Stephen Kirschner copy

Steve Kirschner, PE

Environmental Remediation
Paul Stratman copy

Paul Stratman, PE, PG

Environmental Remediation
Rick Shoyer

Rick Shoyer, LSRP

PFAS Remediation

Water Treatment


Bryan Bailey


Andy Bishop


Marilyn Sinnett


Steve Woodard

Biogas Solutions

Greene Paul

Paul Greene

Pat Hirl copy

Patrick Hirl, PE, PhD

Bernard Sheff

Bernard Sheff, PE

Dan Waineo copy

Dan Waineo, PE


Tommy Sweat copy

Tommy Sweat

Air Quality
Ted Peyser copy

Ted Peyser

Hazardous Waste
Karl Lany

Karl Lany

Planning & Ecosystem Consulting

Ryan Sawyer

Ryan Sawyer

David Zweig copy 2

David Zweig

Joe Nicolette

Joe Nicolette

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