Back to: SOM01.1 SVOA MegaMix, Revised SOM01.1 SVOA MegaMix, Revised Product Code: 31900 SOM01.1 SVOA MegaMix, Revised Price £169.50 Description *3-methylphenol and 4-methylphenol concentration is 500µg/mL.1 N-nitrosodiphenylamine (CLP-listed analyte) decomposes to diphenylamine (mix component) in the injector.