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 will need Adobe 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)