EPA Method 507 - Performance Check Solution

Chlorthal-dimethyl, 100 µg/ml, Ethyl acetate, 5m

Phenol-d6, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 13127-88-3

3,3-Dimethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 562-49-2