Hexachlorobenzene, 100 µg/ml, Methanol, 5ml

2-Methyloctane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3221-61-2

EPA Method 551Mix “A”

(+/-)-Citalopram-d4 hydrobromide, 1000µg/ml in MeOH, 1ml