Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFTRDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 82445 EPA Method 8260B Mix #5 Price on request 91597 PAH Standard Price on request 677685 Benz[a]anthracene, 10.0 µg/ml, Acetonitrile, 10m Price on request