D5-Atrazine-desisopropyl, 100 µg/ml, Acetone, 1m

2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml

1-Aminonaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 78832-53-8

trans-Nonachlor, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 39765-80-5