Glycerol, Stock solution, 500µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 56-81-5

Chlorthal-dimethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1861-32-1

EPA Method 552 Internal Standard

Metals Mix