Perfluoro-7-methyloctanoic acid, 1.2ml x 50ug/ml, methanol

2,2'-Dihydroxy-4-methoxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-53-3

EPA Method 525 - Fortification Solution

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane