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Application of LC/MS/MS Techniques to Development of US EPA Standardized Methods for Chemicals of Emerging Concern
Citation:
Shoemaker, J., Dan Tettenhorst, W. Dietrich, P. Grimmett, B. Boutin, AND A. Delacruz. Application of LC/MS/MS Techniques to Development of US EPA Standardized Methods for Chemicals of Emerging Concern. AOAC Central Section Annual Meeting, Reynoldsburg, Ohio, August 01 - 02, 2017.
Impact/Purpose:
This presentation will provide the audience with basic understanding of EPA's drinking water method development program and an introduction to two new ambient water EPA methods.
Description:
This presentation will describe the U.S. EPA’s drinking water and ambient water method development program in relation to the process employed and the typical challenges encountered in developing standardized LC/MS/MS methods for chemicals of emerging concern. The EPA’s Drinking Water Contaminant Candidate List and Unregulated Contaminant Monitoring Regulations, which are the driving forces behind drinking water method development, will be introduced. Three drinking water LC/MS/MS methods (Methods 537, 544 and a new method for nonylphenol) and two ambient water LC/MS/MS methods for cyanotoxins will be described that highlight some of the challenges encountered during development of these methods.