EPA Method 515.3 - Derivatized acids Back Catalog number: 30151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4472-20-NN Labelled-compound Spiking Solution Dioxin-like F-PCBs each in 20ng/mL solution in n-nonane; unit: 1x1mL Chiron No. Dioxin-like IS, FluoroPCBs PCB No. 2863.12 5-F-3,3’,4,4’-TetraCB F-PCB-77 2344.12 3’-F-3,4,4’,5-TetraCB F-P Price on request 2310.10-100 Chlorotoluron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 15545-48-9 Price on request L178540 DL-Laudanosine, 10mg Price on request