The content presented here represents the most current version of this section, which was printed in the 24th edition of Standard Methods for the Examination of Water and Wastewater.
Abstract: 5510 A. Introduction

1. General Discussion

Aquatic humic substances (AHS) are heterogeneous, yellow to black, organic materials that include most of the naturally occurring dissolved organic matter in water. Aquatic humic substances have been shown to produce trihalomethanes (THMs) on chlorination and to affect the transport and fate of other organic and inorganic species through partition, adsorption, catalytic reactions, and photolytic reactions.

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Standard Methods Committee of the American Public Health Association, American Water Works Association, and Water Environment Federation. 5510 aquatic humic substances In: Standard Methods For the Examination of Water and Wastewater. Lipps WC, Baxter TE, Braun-Howland E, editors. Washington DC: APHA Press.

DOI: 10.2105/SMWW.2882.106

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