2-Nitrophenol, 100 µg/ml, Methanol, 1ml

Bisphenol S, 100µg/ml in MeOH, 5ml

Hexachloro-1,3-butadiene-13C4,100 µg/mL,isooctane,1mL,

Iopanoic acid,10 µg/mL,water,1mL,