Phoxim, 100 µg/ml, Toluene, 1ml

Sulfur Standard: S @ 100 µg/g (0.0100 wt%) in #2 Diesel Fuel

4-n-Octylphenol-mono-ethoxylate, 10mg

Tris(2,4-di-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene