4-Dodecylphenol, mixture of isomers, 250mg

EPA Method 625 Base/Neutrals Mix #2

1,3-Dibromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

3'-Fluoro-2,3,5,6-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33284-54-7