2,3,4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Chloroparaffin C14-C17, 42% Cl, 100µg/ml in CY, 10ml

Ethyl tricosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18281-07-7

Nitrite as NO2-