Total Water Supply Kit (NELAC) Back Catalog number: 38181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H-199N 1,4-Dimethylnaphthalene, 10mg Price on request 3729.12-50-IO 4'-Fluoro-2,3,3',4,5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 673280 Fenamiphos, 10.0 µg/ml, Acetonitrile, 10ml Price on request