EPA Method 525 - Perchlorinates Back Catalog number: 31029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70084 2-Chlorophenol-d4 Price on request 8510.19-K-IO 1,1,1,3,17,19,19,19-Octachlorononadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 0226.24-100-T Coronene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-07-1 Price on request