Internal standard 3, 2000g/ml in MeOH, 1ml

Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2

Phenols Standard

1,2,3,6,7,8-Hexachlorodibenzofuran,50 µg/mL,n-nonane,1mL,