Matrix Spiking Solution, 1.2ml, nonane

Alkalinity as Calcium Carbonate, 1000µg/ml in Water, 100ml

6-Nitrobenzo[a]pyrene-d11, 100µg/ml in Toluene, 1ml

1,2,4-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,