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

Di-n-butylamine, 1000mg

Triphenylphosphate, certified, 0.25g

EPA 528 rev. 1.0 Sample Fortification Solution 1 100µg/mL in methanol; unit: 1x5mL 2420.6 2-Chlorophenol-3,4,5,6-d4 [93951-73-6]