4,4'-DDD, 100 µg/ml, Toluene, 5ml

Internal standard 2, 2000g/ml in MeOH, 1ml

D5-Acetochlor OA, 100 µg/ml, Acetonitrile, 1ml

Pyrazon, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1698-60-8