Calibration Verification Solution, 1ml, nonane Back Catalog number: EPA-23CS3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677850 D8-Naphthalene, 2000 µg/ml, Acetonitrile, 1ml Price on request 70193 Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Price on request 1692.12-100-T 2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 177586-38-8 Price on request