Conductance @ 20°C [3,000 µmho/cm] Back Catalog number: 59588 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19267 EPA Method 502/524 Surrogate Standard #2 Price on request 680627 Penthiopyrad Metabolite PAM, 10mg Price on request C15987120 Perfluorooctane sulfonic acid, 10mg Price on request