Spike Sample Standard 2A (Water) Back Catalog number: 52029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38132 WS PAHs Price on request 11784.10 1,2,3,5,6,7-Hexachloronaphthalene,,,, Price on request 674487 Chlorpyrifos, 10.0 µg/ml, Acetonitrile, 10ml Price on request