PCB Mix 2.5 ppb Back Catalog number: 95259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675987 3,4-Dichloroaniline, 100 µg/ml, Toluene, 5ml Price on request 673824 Forchlorfenuron, 100mg Price on request 30097 EPA Method 509 Internal Standard Price on request