EPA Method 8270C Pesticide Mix #20

Verapamil-d7 Hydrochloride, 5mg

2,4-DB-methyl ester, 10.0 µg/ml, Ethyl acetate,

Benzyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219805-81-8