2,2',3,4,5,5'-Hexachlorobiphenyl

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

EPA Method 525.2 Pesticide Mix #1, 100µg/mL in toluene : hexane [1:1], 1ml

Carbonyl Compounds as DNPH, in Acetonitrile, 1ml