PCB Congener Mix #4 Back Catalog number: 94982 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672841 Difenoconazole, 250mg Price on request S-DP syn-Dechlorane Plus®, 1.2ml x 50ug/ml, toluene Price on request 92357 EPA Method 8141/1657 Surrogate Standard Price on request