Chromium (Cr)

Magnesium (Mg)

n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1

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