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EPA/OCSPP RIN: 2070-AJ47 Publication ID: Fall 2010 
Title: Nanoscale Materials; Test Rule for Certain Nanoscale Materials 
Abstract: EPA is developing a test rule under section 4(a) of the Toxic Substances Control Act (TSCA) to require manufacturers (defined by statute to include importers) and processors of the multiwall carbon nanotube described in Premanufacture Notice (PMN) P-08-199, certain clays (e.g., kaolin (including halloysite) and bentonite (including montmorillonite)), alumina, and spray-applied nanomaterials (the “chemical substances” or “chemicals”) to conduct testing for health effects, ecological effects, and environmental fate, as well as to provide material characterization data. The resulting data will assist EPA in understanding the effects of the substances to manage/minimize potential risk and exposure. Results will also help with establishing a correlation between the chemical/physical properties and health and environmental effects needed to protect the environment and the health of workers handling the substance. 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 790   
Legal Authority: 15 USC 2603 TSCA 4   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  04/00/2011    
Additional Information: SAN No. 5313
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: Businesses  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: http://www.epa.gov/opptintr/chemtest/index.htm  
Sectors Affected: 324 Petroleum and Coal Products Manufacturing; 325 Chemical Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
Ken Moss
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
7405M,
Washington, DC 20460
Phone:202 564-9232
Fax:202 564-9490
Email: moss.kenneth@epa.gov

Zofia Kosim
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
7405M,
Washington, DC 20460
Phone:202 564-8733
Fax:202 564-9490
Email: kosim.zofia@epa.gov