PCB Congeners Back Catalog number: 92262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-23-S 2,3-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 73202 9,10-Dimethylanthracene Price on request DD-28-S 2,8-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request