EPA Method 8240A - Purgeable Surr Std

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

2,4-Dinitrophenol

Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 203578-33-0