EPA Method 507 - Performance Check Solution

Zinc (Zn)

2-(4-Chloro-2-methylphenoxy-d3)propionic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-15-3

2,2-Dichloro-1,1,1-trifluoroethane