Total Organic Water Supply (WS) (Kit) Back Catalog number: 38087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16995150 Sulfameter, 250mg Price on request 70911 1,2-Dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request 30581 m-Xylene Price on request