EPA 1620 Standard 4 Back Catalog number: 53142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681698 2,4-Dicofol, 10.0 µg/ml, Isooctane, 1ml Price on request S-4621-ASS-10DC Custom Mix of perdeuterated PAHs and native PCBs (II), >99% purity 0978.10 Naphthalene-d8 5000µg/mL 1524.12 Acenaphthene-d10 5000µg/mL 0389.14 Phenanthrene-d10 5000µg/mL 1337.16 Fluoranthene-d10 5000µg/mL 1088.20 Benzo[a]pyrene-d12 Price on request 66016 PCB No. 16, 100µg/ml in Isooctane, 1ml Price on request