GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml

2H,2H-Perfluorodecanoic acid, 50µg/ml in Acetone, 5ml

L-(+)-Lactic Acid-13C3 Sodium Salt, 5mg

2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,