Spiking Standard #2

Isophorone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-59-1

Difenzoquat methylsulfate

2,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32690-93-0