EPA Method 602/8020

Carbazole-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 97960-57-1

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL,

Nitrofen