ASTM D-4815 Calibration Mix #2A

1,3,2-Dioxathiolane 2,2-Dioxide, >98%, 5g

2-Methyl-4-isothiazolin-3-one hydrochloride, 100mg

EPA 604, Surrogate Standard as PFB derivatives S-4375 1 Analyte, 200 µg/mL in methanol, 5mL or 1mg/mL in isopropanol, 1mL 2,4,6-Tribromophenol-PFB