Supplemental Calibration Solution, 500ul, nonane Back Catalog number: EPA-8290HRCC0.25 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673261 Dimethomorph, 100 µg/ml, Acetonitrile, 5ml Price on request 11683.12-100-IO 2,2',3,3'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 30069 Internal standard 3, 2000g/ml in MeOH, 1ml Price on request