D5-Chlorobenzene, 1ml

13C3-Atrazine-desethyl-desisopropyl, 10mg

N-Methyl-N'-nitro-N-nitrosoguanidine (wetted with ca. 50% water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 70-25-7

Whole milk powder - Aflatoxin M1 (high level), 30g