EPA Method 500 Series Internal Std #4

Acetochlor ESA sodium salt

n-Decane-d22, 1000µg/ml in IO, 1ml

7-Methyl-1-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6939-33-9