Cement Totals June 2012

Total shipments of portland and blended cement in the United States and Puerto Rico were 7.6 million mt in June 2012, according to the U.S. Geological Survey. This was almost 5.0 percent higher compared with shipments for June 2011. Shipments for the year through June were 37 million mt, up about 15 percent for the same period in 2011.

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EPA proposes updates, two-year deadline extension for 2010 cement standards

In response to a federal court ruling and industry data, the U.S. Environmental Protection Agency is proposing changes to its 2010 air standards for the portland cement manufacturing industry. The proposal would continue the significant emission reductions from the 2010 standards, while providing industry additional compliance flexibilities, including more time to implement the proposed updates by extending the compliance date for existing cement kilns from September 2013 to September 2015.

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Cement Totals - April 2012

Total shipments of portland and blended cement in the United States and Puerto Rico were almost 6.7 million mt in April 2012, according to the U.S. Geological Survey. This was 17.5% higher compared with shipments for April 2011. Shipments for the year through April were 21.9 million mt, up about 19% for the same period in 2011.

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ASTM C595 acknowledges 15% limestone threshold

The ASTM C595-12 Standard Specification for Blended Hydraulic Cements defines requirements for a new powder: Type IL, portland-limestone blended cement, which includes 5% to 15% limestone as an ingredient. Adoption of Type IL product has the potential to reduce environmental impact of cement production by about 10%, while maintaining performance characteristics concrete producers require for specified mixes. The requirements for Type IL cement are the most significant change to C595 in 2012.

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