NSSGA's membership constitutes an industry devoted to the safe and environmentally-responsible production of ordinary rock used in concrete and asphalt and in the construction of homes, roads, buildings, water treatment plants: in general, the entire built environment. Aggregate businesses crush and/or size rocks for various uses and exist in thousands of locations because the cost of transporting construction materials to market is significant.
Asbestos is an uncommon but naturally-occurring group of serpentine and amphibole minerals that are not added to construction aggregates nor sought out as a component of construction aggregates. In trace amounts, asbestos is ubiquitous as a contaminant in the ambient air. Neither asbestosis, mesothelioma nor asbestos-related disease are industrial diseases of the aggregates industry, and the NSSGA supports prevention of harmful exposure to asbestos as well as legislation to ban asbestos. Some legislative and regulatory proposals have reflected confusion over accurate mineral definition and test methodology to differentiate between asbestos in the natural environment and ordinary rock.
The NSSGA Mineral Identification and Management Guide is an attempt to collect the current knowledge related to these issues into one guidance document. The Guide will be maintained to reflect the current state of technology, science and practice for consideration in regard to individual circumstances.
The new Employee Training Module PowerPoint is provided for your use and information.
NSSGA Employee Training Module (PDF) | ( Powerpoint)
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