Nitrite as NO2-

2,4,6-Trinitrotoluene, 100 µg/ml, Acetonitrile,

Heptachlor epoxide (Isomer B), 50mg

Dinaphtho[2,1-b;2',3'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 204-91-1