PCB Isomers Mix A Back Catalog number: 94274 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-27-S 2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 91853 EPA Method 8240A - Purgeable Surrogate Standard Price on request 92639 MOE-PAH-3 Price on request