Bis(3-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Hexavalent Chromium (Cr +6)

“Over the Counter” Cold and Sinus