EPA Method 525 - PCB Standard Back Catalog number: 19063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PBEB Pentabromoethylbenzene, 1.2ml x 50ug/ml , toluene Price on request 50590 Copper (Cu) - 1 PPM Price on request 684246 D5-Nitrobenzene, 1000mg Price on request