OP Pesticide Mix B

WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Acetochlor-ethane sulfonic acid (ESA) sodium, 10mg

2,2',3,3',4,4',5,5'-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35694-08-7