Butachlor ESA sodium salt, 100µg/ml in MeOH, 1ml

Aqueous Ethanol Standard (3,0g/l), 10 x 1,2ml

Tylosin, 100 µg/ml, Methanol, 1ml

2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane