Solution #1

Perfluoro-n-[13C9]nonanoic acid, 50µg/ml in MeOH, 1,2ml

S-Metolachlor, 1000μg/mL in Acetone, 1ml

2,2',5,6'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60044-25-9