EPA Method 531.2 - Analytes

2-Phenylbenzoxazole, neat, Solvent-neat, Unit 10MG, # of units-23, Cas.no. 833-50-1

d18-α-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

Theophylline-d6 (dimethyl-d6), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 11790-39-8