EPA Method 8330 - Calibration Mix #1

2,3',4,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-10-0

Nitrite as NO2-, 1000µg/ml in water, 100ml

Cholest-5-en-3ß-ol , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-88-5