Ammonia as N, 100µg/ml in Water, 100ml

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 601Mix #2

Arochlor 1016 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 12674-11-2