EPA 552.2- Haloacetic Acids, 100µg/ml in MTBE, 1ml

Perdeuterated Internal Standard – PAH Mixture 9 1524,12 Acenaphthene-d10 [15067-26-2] 0389,14 Phenanthrene-d10 [1517-22-2] 1337,16 Fluoranthene-d10 [93951-69-0] 1087,18 Benzo[a]anthracene-d12 [1718-53-2] 1088,20 Benzo[a]pyrene-d

rac 3-Hydroxyisobutyric Acid, 1mg

DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 2mL, # of units-1, Cas.no. 66148-19-4