Formaldehyde-DNPH Level 1 (0.1ug/mL)

1,2,4,6,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Penconazole, 100 µg/ml, Ethyl acetate, 5ml

1H,1H,2H,2H-Perfluorohexanesulfonic acid, 10mg