1,4-Dihydroxynaphthalene,neat,neat,100mg

n-Hexylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1077-16-3

3,4,6,7,10,11-Hexachlorotridecane-11,12,13-13C3, 100µg/ml in IO, 1ml

EPA Method 502.2 Internal Standard