EPA Method 551.1 Internal Standard Back Catalog number: 30103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675485 Fenamiphos-sulfone, 10.0 µg/ml, Ethyl acetate, 1 Price on request 1648.10-K-IOX5 Adamantane-d16, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 30470-60-1 Price on request 9449.12-100-CY Endrin ketone Price on request