Chlorpyrifos, 100 µg/ml, Ethyl acetate, 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

Sebacic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 111-20-6

Surrogate Standard