EPA Method 551.1 Performance Check Soln

1-Ethyl-3-methyladamantane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1687-34-9

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7

ICP-MS Interference Check Solution B