GPC Calibration Standard Back Catalog number: 90877 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11721.12-100-IO 2,3,3',4,5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 82721 Appendix IX Pesticide Mix #3 Price on request 66125 2',3,4,5,6'-Pentachlorobiphenyl Price on request