Method 542 is a liquid chromatography, electrospray ionization, tandem mass spectrometry (LC/ESI-MS/MS) method for the determination of pharmaceuticals and personal care products (PPCP) in finished drinking water.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- EPA Method 542 (PDF)(39 pp, 450 K, September 2016, 815-R-15-012)