Melamine, 1.2ml x 100ug/ml, water

4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7

Atropine, 100 µg/ml, Acetonitrile, 1ml

EPA Method 300.0 Anions Mix A, 1000 µg/mL in Water, 1ml