EPA Method 625 Base/Neutrals Mix #4

n-Dotriacontane, ?13C: -28.34, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-85-4

Violaxanthin (Mixture of Diastereomers), 1mg

2,3,3',4,4',5-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 38380-08-4