Internal Standard Solution, 1.2ml, toluene

n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 1120-21-4

3,4-Dichlorobenzyl chloride,1000 µg/mL,isooctane,1mL,

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