Nitrapyrin, 10 µg/ml, Ethyl acetate, 10ml

1,6-Diaminopyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 14923-84-3

EPA Method 551 “Mix B”

4-Oxopimelic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 502-50-1