Clopyralid, 100 µg/ml, Acetone, 1ml

Dibutyltin-d18 dichloride, 1000µg/ml in IO, 1ml

4-Methylheptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 589-53-7

Phosphate as (PO4-3), 1000µg/ml in water, 100ml