EPA Method 502/524 Surrogate Standard #2

N-Nitroso-di-n-butylamine, 100 µg/ml, Methanol,

p-Cresol

2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2