Propachlor ESA sodium salt, 10mg

BTEX Mixture 883, 100µg/mL in Methanol, 1ml

Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11097-69-1

4-n-Nonylphenol decaethoxylate