EPA 1620 Standard 1 Back Catalog number: 53139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677758 2,4,5-Trimethylphenol, 100 µg/ml, Acetonitrile, Price on request 672936 N-[(3,4-Dimethoxyphenyl)methyl]-4-methyl-octanamid Price on request 8644.12-50-NN 1,2,8,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request