Perfluoro-n-nonanoic acid, 50µg/ml in MeOH, 1,2ml

PCB No. 112, 100ug/ml in Isooctane, 1ml

4-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10240-08-1

(+/-)-Atenolol-d7 (isopropyl-d7), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7