EPA Method 552 Surrogate Standard Methyl Ester

9-Ethyl-3-nitrocarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-20-4

N6-Benzoyl-5’-O-(4,4’-dimethoxytrityl)-2’-deoxyadenosine, 1g

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