EPA Method 624 Internal / Surrogate Standard

Stigmasterol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-5, Cas.no. 83-48-7

Custom nitrosamine-control mix 7 components, each 500µg/mL in acetonitrile 9666.4-K-AN N- Nitrosodiethanolamine 1116-54-7 NDELA 9004.2-2K-DC N-Nitrosodimethylamine 62-75-9 NDMA 9006.4-2K-DC N-Nitrosodiethylamie

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