D8-2,4'-DDT, 5mg

2,6-Dimethylnaphthalene-d12,neat,neat,50mg

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

(E,Z)-Methomyl-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL,