Dibenzothiophene-d8

beta-Cypermethrin, 10.0 µg/ml, Ethyl acetate, 10

2,4,5-T, 250mg

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