From the Editors

We are very pleased to offer this online edition of Standard Methods for the Examination of Water and Wastewater. It has taken five years and hundreds of experts to develop this edition. It has been expanded to incorporate brand new material and figures, as well as significant revisions and updates to existing material.

With step-by-step procedures for over 350 separate measurements, the online edition of Standard Methods sets a new benchmark for completeness and precision.

Each of the methods has been reviewed and endorsed by hundreds of qualified water and wastewater professionals, offering the most accurate and consistent procedures. These methods offer scientists, analysts, and engineers a valid and recognized basis for control, evaluation and, ultimately, can assist with regulatory compliance.

Experts world-wide depend on Standard Methods for reliable results using these standardized methods, along with hundreds of figures to eliminate all guesswork. Now with the new online edition, no other single reference comes close to matching Standard Methods for the Examination of Water and Wastewater for completeness, detail, accuracy, and ease of use.

Sincerely,

©2005 American Public Health Association.
©2005 American Water Works Association.
©2005 Water Environment Federation.