Guazatine acetate salt, 100µg/ml in Water, 1ml

Bentazone, 100 µg/ml, Acetonitrile, 5ml

1,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml