Metals Mix #1

4-Ethylphenol-d4-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 100-58-8

EPA Method 507 - Performance Check Solution

Metazachlor ethane sulfonic acid, 100µg/ml in Acetonitrile, 1ml