1,2-Dichloropropane, 100 µg/ml, Cyclohexane, 5ml

2-Chloro-1,3-propanediol-d5,100 µg/mL,MeOH,1mL,

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

EPA Method 552.1 - Surrogate Standard