EPA Method 525.2 Pesticide Level 1

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1,4-Anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 635-12-1

Tetraethyllead