EPA Method 548.1 Internal Standard

Atrazine-desisopropyl-2-hydroxy, 10.0 µg/ml, Meth

Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6

2,4,6-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 88-06-2