SV Internal Std Mix EPA 528, 1ml, 1000-2000ug/ml Methylene Chloride

In methylene chloride, 1 mL/ampul

3-Nitro-o-xylene (83-41-0), 1,000 µg/mL
2,3,4,5-Tetrachlorophenol (4901-51-3), 2,000 µg/mL