EPA Method 507 Nitrogen Phosphorus Pesticide

2,5-Dihydroxymethyltetrahydrofuran, 100µg/mL, Solvent-, Unit 1mL, # of units-1, Cas.no. 104-80-3

Chlorfenvinphos, 100 µg/ml, Methanol, 1ml

1-n-Propylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2765-18-6