EPA Method 502/524 Fortification Solution

3-Methyltridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6418-41-3

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

CONOSTAN 1000ppm Standard, Si, 50g