EPA Method 8240A Calibration Check Compounds

DL-1,2-Isoproylideneglycerol-1,1,2,3,3-d5, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Norethindrone

Captan-3,3,4,5,6,6-d6, 100μg/ml in Acetone, 5ml