EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674113 Carbofuran-3-hydroxy, 10mg Price on request 3900.10-100-IO Eugenol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 97-53-0 Price on request 678116 Benzyldimethyltetradecylammonium chloride, 100 µg/ Price on request