• Proposed water standard will support environmental regulation compliance


Proposed water standard will support environmental regulation compliance

Feb 01 2022

ASTM International’s water committee (D19) is developing a proposed standard that water quality laboratories will use to help ensure that environmental regulations for water are met.

According to ASTM International member Linxi Chen, the proposed standard will provide an early warning prediction from raw source water of disinfection by products (DBPs). DBPs are cancer-causing contaminants in drinking water that are formed when natural organic matter in water reacts with disinfectants added to kill bacteria in water treatment plants. 

“The proposed standard use absorbance-transmittance and fluorescence excitation-emission-mapping (A-TEEM) technology, which allows for a fast, inexpensive and accurate prediction of DBPs even before they form,” says Chen, product specialist, fluorescence division, HORIBA Scientific.

Drinking water treatment plant operators, managers, and water quality laboratories will find the proposed standard useful, as it will help mitigate the risk of DBP compliance violations in a forward manner and help to minimize public exposure to contaminants.

The proposed standard will help raise public awareness on DBP contamination issues and it will expand the service capabilities and/or reduce turnaround time for laboratory analysis. 

This effort directly relates to the United Nations Sustainable Development Goal #3 on good health and well-being and #6 on clean water and sanitation.

Chen invited anyone with an interest in analysis for organic substances in water to participate in the development of the proposed standard (WK80116). The subcommittee will also welcome water quality laboratories that are interested in participating in an interlaboratory study program for the proposed standard.

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International Environmental Technology 32.3 - May/June 2022

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