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A nontoxic agent thwarts microbiologically induced corrosion in new head works, clarifiers, and treatment plant pipes as well as rehabilitation.
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Feds target gross-weight vehicles 8,500 pounds and heavier.
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Managers use a little-known National Park Service program to satisfy regulators and residents.
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Water and wastewater managers negotiate underwater engineering services to extend asset life, avert regulatory violations, and increase operational efficiency.