2,3-Butanedione, 1000µg/ml in MeOH, 5ml

2-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-51-6

Atrazine, 100 µg/ml, Ethyl acetate, 5ml

2,4-Dimethyl acetic acid methyl ester, 100µg/mL, Solvent-MTBE, Unit 1mL, # of units-1, Cas.no. 55954-23-9