6-Hydroxy-1-nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1767-28-8

n-Pentadecane, ?13C: -30.22, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-62-9

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

6-Aminobenzo[a]pyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 7428-83-3