D3-Ipronidazole, 100 µg/ml, Methanol, 1ml

EPA Method 8270C Pesticide Mix #24

Butralin, 100 µg/ml, Ethyl acetate, 5ml

n-Tetracontane, ?13C: -27.05, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 4181-95-7