EPA 1620 Standard 3

Thionazin, 100 µg/ml, Ethyl acetate, 1ml

Propachlor, 1000µg/ml in MeOH, 1ml

2-Ethyl-5-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13360-64-0