EPA Method 625.1 - A Summary of the Changes in the Newly Promulgated GC/MS Method for Semi-Volatile Organics in Wastewater

Method Update Rule
Oral Presentation

Prepared by W. Lipps
Shimadzu Scientfic Instruments, 7102 Riverwood Dr, Columbia, Maryland, 21046, United States

Contact Information: wclipps@shimadzu.com; 410-910-0802


On February 19, 2015, EPA proposed method updates to 40 CFR Part 136. In these updates is a revision of EPA Method 625, semi-volatiles in water by liquid liquid extraction GCMS. The revised method adds flexibility and an alternative extraction technique. This presentation covers the major additions and modifications to the method.