EPA Method 551.1 Performance Check Sol’n

4,8-Dimethyl-1-phenylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-85-7

Copper (Cu) - 10 PPM

Valproic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 99-66-1