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On June 17, Canada released the framework for risk assessment of man-made nanomaterials under the Canadian Environmental Protection Act (CEPA) and launched a 60-day public comment, which describes how Canadian officials will conduct risk assessments of nanomaterials, and Approaches and considerations to be considered in the risk assessment of existing and new substances in nanomaterials
.
Based on the particularity of nanomaterials, the risk assessment conclusions and control measures of nanoform and traditional form products of the same substance may be different
.