EPA Method 8060 QC Check Solution

Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml

Aldosterone,1000 µg/mL,MeOH,1mL

Thiophene-d4, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 2036-39-7