EPA Method 8060 QC Check Solution

Isovaleraldehyde, 1g

Dibenzo[e,l]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-51-8

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml