Bromoxynil, 100 µg/ml, Acetonitrile, 5ml

2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

D4-1H-Benzotriazole, 100 µg/ml, Methanol, 1ml

UCMR4 - Method 525.3 - Pesticides Mix 2