EPA Method 508 - Performance Check Solution

Diacenaphthyleno[1,2-b;1',2'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-42-9

2,2',3,3',4,4',6,6'-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Deoxypyridinoline ChlorideTrihydrochlor Salt,0,5mg