4-Chlorophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml

EPA Method 508A DCB Stock Solution