Bitertanol, 100 µg/ml, Ethyl acetate, 5ml

EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml

Phenol Mix

2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene