EPA Method 531.1 - Analytes

Total Dissolved Solids

Isopropyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4191-73-5

2-Cyclohexyl-5-methylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 1596-13-0