Bryan Black

The recently lowered arsenic maximum contaminant level (MCL) presents new challenges in the monitoring and treatment capabilities of drinking water utilities. This report provides advice to utilities and consultants as they monitor, make treatment modifications to control arsenic, and explain arsenic issues to the public. It overviews research on arsenic in drinking water with respect to health issues, occurrence, monitoring and treatment, and reviews the major treatment processescoagulation, lime softening, iron-manganese removal, ion exchange, activated alumina, reverse osmosis, nanofiltration, and augmented micro- or ultrafiltration. No index. Member price, $85. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Answers to Questions Commonly Asked by Drinking Water Professionals

Arsenic

David Chang

Yu-Jung Chang

Dianne Gehling

The project described in this report is an effort to modify, demonstrate and optimize a treatment process to simultaneously remove both arsenic and manganese. ... The treatment process selected for development and demonstration includes oxidation, ferric chloride addition, and filtration. The process can be used to remove arsenic or to simultaneously remove arsenic, iron and manganese.

Bryan Black

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