2,4'-DDE-d8 (dichloropropyl-d4), 100µg/mL in AL, 1ml

Aflatoxin M1, 0.5 µg/ml, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6795-23-9

Naproxen, 100µg/ml in MeOH, 1ml

Endosulfan (alpha and beta), 100 ng/µl, 1ml