EPN, 100 µg/ml, Acetonitrile, 1ml

2,4,4',6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Homovanillic Acid Sulfate Sodium Salt-d3, 1mg

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