PSA-GCB-Mix 3

2,2',3,4,4',5,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

Potassium Nitrate as N