Chloride 20 µg/mL (Cl-)

Butyric acid, 250μg/ml in Water, 1ml

2,4,6-Tribromophenol, 100 µg/ml, Methanol, 1ml

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