Internal Standard Stock Solution, 1.2ml, nonane

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

Acrylamide, 100µg/ml in Acetonitrile, 5ml

Tris(2-isopropylphenyl) Phosphate, 250mg