Atrazine-d5, 100µg/ml in Acetone, 1ml

Perfluoroheptane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

Phenol-3,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 64045-87-0

Fenvalerate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 51630-58-1