Perchlorate Level 4

2,2',4,4',5,5'-Hexabromobiphenyl,50 µg/mL,isooctane,1mL,

1,2,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-91-8

Benz[a]acridine, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 225-11-6