Metoprolol tartrate, 100 µg/ml, Methanol, 1ml

Triethylene glycol mono(p-n-nonylphenyl) ether, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 51437-95-7

PCB No. 180, 100µg/ml in Isooctane, 1ml

Monomethyl phthalate, 100 µg/mL in AcCN, 1ml