4-Aminoazobenzene, 250mg

1,2,3,6,7,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Metolachlor, 100 µg/ml, Acetonitrile, 5ml

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions