alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml

Methyl 11-eicosenoate (C20:1n-9)

Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-24-4