WS Disinfection By-Products - Cal Check 3

2,2',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-20, Cas.no. 5436-43-1

Dithiopyr

Naphtho[1,2,3,4-ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 190-84-1