Method 541 is a gas chromatography (GC) method for the determination of 1-butanol, 1,4-dioxane, 2-methoxyethanol, and 2-propen-1-ol 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 541 (PDF)(49 pp, 3 MB, November 2015, 815-R-15-011)