PSA-GCB-Mix for 2007.01 per AOAC Back Catalog number: 676706 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended N-12827-1G Pentachlorobenzene, 1g Price on request PCB-SS-A100 Mass-Labelled PCB Solution , 1.2ml x 100ng/ml, nonane Price on request 97937 PAH Mix #2 Price on request