Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2921.9-100-AC MCPA-d3,100 µg/mL,acetone,1mL, Price on request 32067 EPA Method 524.2 Rev 4.1 High Conc VOC Mixes Price on request 3410.12-100 Flurochloridone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61213-25-0 Price on request