Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32031 Bromochloromethane Price on request 11716.12-100-IO 2,2',3,5,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 30073 EPA Method 515.2 Underivatized Price on request