Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

Ethyl 12-hydroxystearate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82807-36-1

S421, 100 µg/ml, Acetonitrile, 5ml

EPA 1620 Standard 3