Verification II Standard 1

4-Chlorobenzyl mercaptan, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6258-66-8

1,1,1,3-Tetrachlorononane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1070-27-5

Sodium Butyrate (C3H7COOH)