“Organic matter(or organic material) is matter that has come from a once-living organism; is capable of decay, or the product of decay; or is composed of organic compounds. The definition of organic matter varies upon the subject for which it is being used.”

“Measurements of organic matter generally measure only organic compounds or carbon, and so are only an approximation of the level of once-living or decomposed matter. Some definitions of organic matter likewise only consider "organic matter" to refer to only the carbon content, or organic compounds, and do not consider the origins or decomposition of the matter. In this sense, not all organic compounds are created by living organisms, and living organisms do not only leave behind organic material. A clam's shell, for example, while biotic, does not contain much organic carbon, so may not be considered organic matter in this sense. Conversely, urea is one of many organic”

(Wikipedia, Organic Matter, 6/17/2011)

I prefer the latter definition in that organic materials are carbon containing material no matter what the source.  (RDC 6/17/2011)

PolyamidesAcrylic (Acrylate) Polymers
Biomass
Carbohydrates
Carbon Materials
Cashew Polyols
Castor Oil
Cellulose
Chicken Feathers
Chitosan
Materials
Polyamides
Polyesters
Polyethers
Polyimides
Polylactic Acid (PLA)
Polyolefins
Polysaccharides
Proteins
Sustainable /Renewable Materials

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