Ethanol standard in serum,1.1g/L,serum, 1.5mL

S-Metolachlor, 1000μg/mL in Acetone, 1ml

4-Chloro-2-nitroaniline, 500mg

GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.