Water Conservation

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Protecting Streams and Wetlands

The U.S. Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers (Army Corps) jointly released a proposed rule to clarify protection under the Clean Water Act for streams and wetlands that form the foundation of the nation’s water resources. The proposed rule will benefit businesses by increasing efficiency in determining coverage of the Clean Water Act. More

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Integrating Technology

Concrete producers, who long have used some computer programs in their back office and batching areas, are seeing the benefits of adding new programs and integrating their systems. Computer companies, meanwhile, are taking advantage of high-efficiency chips, larger memory capabilities, and wireless technology to provide a wider (and cheaper) range of options. More

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Does New Standard Carry Water?

As a producer, how can I use the recent changes in ASTM standards to use process water in my concrete? Promoting using process water in concrete is a tedious effort. We turned to three experts to answer this important question. The answer below is supplied by Richard S. Szecsy, PhD, PE, vice president, new product development and risk management, Lattimore Materials Co., McKinney, Texas; Colin Lobo, PhD, PE, vice president, engineering, NRMCA; and Steve Parker, vice president, aggregate development, RMC Mid-Atlantic and chairman, ASTM Sub-Committee 09.40 for Ready-Mixed Concrete. More

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Low-Cost Flow Measurement and Sensing
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Batching with Recycled Process Water--What Should Be the Allowable Limits?
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