Minnesota Dept of Health List Mix #1 Back Catalog number: 61005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94990 PCB Congeners Price on request 98864 Formaldehyde-DNPH Level 7 (20ug/mL) Price on request 71648 Propionic acid isobutyl ester Price on request