alpha-BHC-13C6,100 µg/mL,n-nonane,1mL,

Ametoctradin, 100 µg/ml, Acetonitrile, 1ml

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 63466-71-7

Formaldehyde-DNPH Level 5 (5ug/mL)