EPA Method 507 Nitrogen Phosphorus Pesticides

1,4-Dinitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 69340-07-4

D5-Fenuron, 100 µg/ml, Acetonitrile, 1ml

Prometryn, 250mg