D6-Captan, 10mg

p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

2,3,3',4,4',5,5'-Heptachlorobiphenyl (189)

Tris(4-nitrophenyl) Phosphate, >98%, 25g