Allethrin, 10.0 µg/ml, Acetonitrile, 10ml

EPA Method 551 “Mix B”

2,3,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2245-38-7

Nitrate as (NO3-)