2,4-D-2-ethylhexyl ester, 100mg

Custom Mix of 4-nonyl- and 4-t-octylphenol 2044.15 4-Nonylphenol (mix of isomers) 350 ng/mL 1446.14 4-tert-Octylphenol 300ng/mL

Non-Derivatives Mix #2

PAH standard for liquid chromatography 16 PAH acc. to. EPA Method 610 in acetonitrile pack of 1mL