WS Disinfection By-Products - Cal Check 4

Formaldehyde-DNPH Level 6 (10ug/mL)

9-Chloro-9H-fluorene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 6630-65-5

4-Methyl-8-nitroquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2801-29-8