Metals Mix Back Catalog number: 59110 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19063 EPA Method 525 - PCB Standard Price on request 81203 EPA Method 8121 Internal Standard Price on request 676624 3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropaneca Price on request