EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52070 Spiking Standard #2 Price on request PFS-537-SPDS 537.1 Surrogate primary dilution std 608,73 € 82487 Tributyltin Chloride Calibration Standard Price on request