Mesosulfuron-methyl, 10.0 µg/ml, Acetonitrile, 1

GLC Reference standard 674, 100mg

1-Hydroxypyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5315-79-7

4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml