OMB Review Spurred Significant Changes To Scope Of EPA Nano Data Rule

Changes resulting from the White House review of EPA's recently proposed rule to collect data on nanoscale materials significantly altered the scope of substances that companies must report, though an industry source says the changes show federal officials wrestling to craft practical requirements, while an environmentalist says certain changes downplay the prevalence and risk of the novel substances. EPA is taking comment through July 6 on its proposed Toxic Substances Control Act (TSCA) rule to collect information on nanomaterials already...