EPA Method 531.1 - Performance Check Solution

Ethylene bis(tetrabromophthalamide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 32588-76-4

Terbuthylazine-2-hydroxy, 10µg/ml in Acetone, 10ml

(1-Hydroxyethyl)-4-(2-methylpropyl)benzene, neat, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 40150-92-3