EPA Method 8240A Calibration Check Compounds Back Catalog number: 82412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9331.16-100MG N-Nitrosodi-n-octylamine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6335-97-3 Price on request 14178.21-100-ME Cannabidiol-D3, 100µg/ml in MeOH, 1ml Price on request 8809.14-K-IO p-Toyldisulfide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 103-19-5 Price on request