• Water pollution generation, and • Solid waste generation. The extent of SPS-related effects can be measured by the increase in activity resulting from SPS requirements. One such measurement is a comparison of the materials requirements of an SPS system and total U.S. production, as given in Fig. 2.2. (Note that the SPS requirements are system totals for a 5-15 year period, while the U.S. production data are for one year.) Some of the materials shown (e.g., mercury, argon, hydrogen, oxygen) represent a substantial portion of a one-year U.S. production rate. It can be assumed that the air pollution, water pollution, and solid waste generated by SPS requirements for these materials will be a measurable increment over existing levels generated Fig. 2.2. SPS Material Requirements THE MATERIALS REQUIREMENTS ARE A MEASURE OF INCREASED CONVENTIONAL ACTIVITY
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