4-OH-Pyriproxyfen (4'-OH-Pyr), 10mg

Sodium p-n-decylbenzenesulfonate, 10mg

Sulfur, 500µg/g (0.0500 wt%) in Diesel Fuel, 100ml

2,2',3,5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,