2,3,5,6-Tetrachlorobiphenyl (65)

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

delta-9-THC-d3, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

EPA Method 537 Internal Standard Primary Dilution Standard, in MeOH, 1,2ml