4-Epitetracycline hydrochloride, 50mg

PCB 180, 10.0 µg/ml, Isooctane, 10ml

2H,3H-Perfluorohex-2-enoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 37759-76-5

Metazachlor ethane sulfonic acid, 100µg/ml in Acetonitrile, 1ml