The goal of Aquatic Geochemistry is to communicate research in a clear, accurate and complete manner that is easy to read. To accomplish our goal, we rely on the evaluations of our reviewers, who are requested to review the data and the authors’ interpretations of that data as well as the authors’ writing style for clarity. These time consuming efforts are greatly appreciated and we wish to acknowledge the contributions of the following individuals in 2009:

Beth Ahner

Daniel Albert

Jan Amend

Anthony Aufdenkampe

Miguel Blesa

Mark E. Brigham

Tom Butler

Wouter Buytaert

Isabel Cacador

Yu-Ping Chin

Serge Chiron

Jim Christian

Iso Christl

T. Church

Lorena Cornejo Ponce

Daniel Doctor

Sonya Dyhrman

Francoise Elbaz-Poulichet

David Emerson

Bradley Eyre

Jiri Faimon

Monica Farfan Torres

John Ferry

Claude Fortin

Sarah Fortner

Andrea L. Foster

H. Gamsjaeger

Maria Gabriela Garcia

Jim Greenwood

Elizabeth Haack

H. Hasegawa

Chun He

Helen Hsu-Kim

Rudolph Jaffe

R. Jakobsen

Liqing Jiang

Peter Kraal

M.D. Krom

Karina LeComte

Moritz Lehmann

Ernie Lewis

T. Li

Ming-Chun Lu

Yuehan Lu

Jorge Marcovecchio

F.J. Millero

Andre Navarro

David Nimick

N.J. O’Driscoll

Daniel O’Sullivan

Dogan Paktunc

Helene Pauwels

Adina Paytan

Maurizio Pettine

Henning Prommer

Will Robertson

Michael Russell

Silvio Sammartano

Isaac Santos

Carsten Schubert

Virender Sharma

Vera Slaveykova

Mary Sohn

M. Taillefert

Fang Tien-Hsi

Strathmann Timothy

E. Tipping

Paul Tratnyek

Carlos Vale

Stefan van Damme

James Waples

Beverely Wemple

Zhifeng Yang

Jia-Zhong Zhang

Kyung Zoh