Measuring UV‐absorbing organics: a standard method

The method described here was prepared by the Joint Task Group for Method 5910. It will be included in the nineteenth edition of Standards Methods but is being published now so that it will be available for use with the Information Collection Rule. The method is intented to indicate the aggregate concentration of UV-precursors of disinfection by-products. Details of the experimental method, results and discussion, and quality control are included, as well as a description of the method and interferences. Interlaboratory precision data are shown