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Download the Seepage Chemistry Manual

This 166-page document by chemist Doug Craft summarizes the experience gained from 25 years of multidisciplinary dam safety investigations performed by the Bureau of Reclamation on dams where mineral dissolution was suspected as a seepage issue.

Image of cover of the Seepage Chemistry Manual by Craft Geochemistry Consulting LLC CEO Doug Craft - Click here to download the 4.3 Megabyte PDF file

The Seepage Chemistry Manual provides an overview of the chemistry of mineral dissolution in dams and the biological and mixing processes that can mimic dissolution. It provides guidance and procedures for planning seepage chemistry investigations, where, when, and how to collect samples, how to select an analytical lab and specify the correct methods, common sense and cost-effective quality assurance, methods for analyzing and interpreting seepage chemistry data, and other testing that can help evaluate seepage.

The Seepage Chemistry Manual stresses coordination and sharing of information among chemists, engineers, geologists, geophysicists, and hydrologists, how to collect good data, and how to interpret seepage chemistry data. Click here to download (4.3 Mbytes).