EPA Method 508 Pesticide Standard Back Catalog number: 92961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended WMF-02 Reference "Freeze-Dried" Fish Tissue (Naturally Fortified Salmon), 10g, N/A Price on request 71476 4-Chlorothioanisole Price on request 9562.14-K-IO Dibutylphenylphosphate, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2528-36-1 Price on request