EPA Method 624 Analytes Back Catalog number: 40120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HPCHLOR-XEP Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane Price on request 67039 Flavors Price on request 96579 Hydrocortisone Price on request