EPA method 633 Analytes Back Catalog number: 40048 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12148-50MG Heptachlor epoxide (Isomer B), 50mg Price on request 9850.6-100-ME 3,5-Dichloroaniline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 626-43-7 Price on request 71085 2-Ethylhexanoic acid Price on request