Appendix II Semi-Volatile Mix

2-Chloro-1,3-dinitrobenzene, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 606-21-3

WS Disinfection By-Products - Cal Check 1

Profluralin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26399-36-0