2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

Pentachlorobenzene, 100 µg/ml, Acetonitrile, 1ml

[13C3]-Cyanuric Acid, 1.2ml x 100ug/ml, water

2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml