| http://www.w3.org/ns/prov#value | - Roughly 99.94% of that wastewater is water by weight; only a small 0.06% is actually waste material, which includes human waste, of course, but also many other water pollutants like food particles, paper products, dirt, oil and grease, proteins, organic materials such as sugars and naturally occurring hormones, inorganic materials such as salts, personal care products, cleaning chemicals, and hund
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