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Natural gas --- Air quality management --- Environmental aspects
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Water quality management --- Environmental policy --- United States. --- Appropriations and expenditures.
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Air --- Air quality management --- Pollution --- Law and legislation --- United States.
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Water-supply --- Water resources development --- Water quality management --- California.
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Provides a guided tour of a water treatment plant and has been described by reviewers as a great educational tool for students, teachers, public officials and consumers. Shows step-by-step how source water moves through the treatment and distribution processes and ends up in the customer' home or business.
Water treatment plants. --- Drinking water --- Water quality management
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Water quality management --- Fishes --- Effect of water pollution on
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Climatic changes --- Soils and climate --- Air quality management --- Greenhouse gas mitigation --- Sustainable agriculture
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Drinking water --- Drinking water --- Perchlorates --- Water quality management --- Perchlorates --- Contamination --- Purification --- Physiological effect --- Environmental aspects
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