EPA Method 509 Internal Standard Back Catalog number: 30097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79283 Aldrin Price on request 676772 Naphthol AS-D, 100mg Price on request 1663.12-100-IO 1,12-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3922-28-9 Price on request