2,2',3,5,5',6-Hexachlorobiphenyl

2,3,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml

(-)-Captopril,100 µg/mL,MeOH,1mL,