WE ARE CALCIMA
Construction and Industrial Materials: Essential, Beneficial, Sustainable
A steady supply of construction and industrial materials are essential to the California Dream and our quality of life. In the same way we need water and power facilities, a reliable, local supply of construction and industrial materials is essential to modern society. Try to imagine a world without rock, sand, gravel, concrete, asphalt, and industrial minerals. There would be no homes, highways, hospitals and schools. There would be no bridges, dams, solar panels, computers, life-saving medicines or many of the products we use each and every day.
The environmental and economic value and benefit of our industry is everywhere you look.
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Distance Matters
When it comes to saving time, while reducing costs and environmental impacts of construction… 
Latest News
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What’s New with Concrete Specs at Caltrans?
By Charley Rea A few quick updates on the workings of the Concrete Task Group of the Pavement and Materials Partnering Committee (PMPC), the working group of Caltrans and materials producers to update specifications and test methods.
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CalCIMA to Engage with SCAQMD on Rule 1157
By Suzanne Seivright-Sutherland With ongoing public and policy concerns this year about dust emissions from aggregate and recycling operations, CalCIMA continues to proactively respond to developments. In a year that started with legislation (SB 526-Menjivar) to impose difficult control measures on operations in Sun Valley, the focus has now shifted to the regulatory arena—and specifically the South Coast Air Quality Management District—where CalCIMA has requested and been accepted as a stakeholder participant.
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What is Happening on AB 2446?
By Charley Rea Construction materials producers have been aware for some time that AB 2446, legislation passed initially in 2022, requires the California Air Resources Board (CARB) to develop regulations to lower embodied carbon from construction materials by 40% by 2035.
