1,4-Dichlorobenzene, 100 µg/ml, Methanol, 5ml

EPA 505 Pesticide Standard

Piperonyl butoxide, certified, 0.1g

3,3'-Difluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 396-64-5