Nitrate (NO3-) as N, 100µg/ml in Water, 100ml

EPA Method 8310 Surrogate Standard

n-Octadecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4445-07-2

Imazethapyr, 100 µg/ml, Acetonitrile, 1ml