ASTM D-4815 Calibration Mix #4

Methyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-76-3

PAHs in Touene, 2ml

Chlorothalonil Metabolite R471811 sodium salt, 100μg/ml in Acetonitrile, 1ml