Ion exchange resins and adsorbent medias are often ideally suited for removal of specific contaminants and/or for polishing the effluent from other wastewater treatment processes. XRESIN provides a large number of products for wastewater treatment including chelating resins, resins suitable for organic scavenging and resins for selected removal of specific contaminants, such as boron, phosphate, heavy metals, arsenic etc. XRESIN ion exchange resins are available in many container sizes, mesh sizes, and can be specially prepared to be pH buffered or in a specific ionic form, ready to use. Many of these products are also available with the WQA Gold Seal certification to the ANSI/NSF 61 standard for potable water.