Norflurazon-desmethyl, 100 µg/ml, Ethyl acetate,

Pentachloroethane, 250mg

2-Nitrofluorene-d9, 100µg/ml in Toluene, 1ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL