EPA Method 552 Internal Standard

4-tert-Butyl-d9-phenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

Methyl tetranoate (Methyl butyrate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 623-42-7

Di-n-propyltin dichloride