EPA Method 525 - Perchlorinates Back Catalog number: 31029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66156 PCB No. 156, 100µg/ml in Isooctane, 1ml Price on request 9566.12-50-AN 10:2MonoPAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 57678-05-4 Price on request 95410 Aroclors 1016/1260 & Tetrachloro-m-xylene Price on request