Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml

1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml

2-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1195-14-8

Tri-n-butylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126-73-8