EPA Method 8270A - Mix #11 Back Catalog number: 82705 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-72S 1,2,4,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 677916 Mefenacet, 10 µg/ml, Acetonitrile, 10ml Price on request 8996.21-100-ME Corticosterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-22-6 Price on request