n-Tetracontane, certified, 0.1g

2,3,3',4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Ethanol standard in water,1.3g/L,water, 1.5mL

N,N'-(1,2-Propylene)thiourea-d6, 1mg