| http://www.w3.org/ns/prov#value | - A modified organic media as in claim 1, wherein said mineral is an organically modified clay selected from the group consisting of bentonite, nontronite, beidellite, stevensite, hectorite, attapulgite, saponolite, sepiolite, paligorskite, vermiculite, halloysite, kaolinite, and combinations thereof. 4.
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