Phosphate as (PO4-3), 1000µg/ml in water, 100ml

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Trifluralin, 100 µg/ml, Methanol, 1ml

1,2,3,7,8-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,