EPA Method 515.1 Internal Standard

CONOSTAN PremiSolv ICP Solvent - Sample, 400ml

9,10-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-83-1

Butralin, 10.0 µg/ml, Ethyl acetate, 10ml