The NSF Directorates for Biological Sciences (BIO), Geosciences (GEO), Engineering (ENG), Mathematical and Physical Sciences (MPS), and Computer & Information Science & Engineering (CISE) and the Office of Cyberinfrastructure (OCI) are accepting proposals to conduct research on the potential threat to the North American west coast from debris fields associated with the March 2011 Japanese earthquake and tsunami. Proposals must conform to the guidelines for preparation of Rapid Response Research (RAPID) proposals as specified in the NSF Grant Proposal Guide (GPG) available at: http://www.nsf.gov/publications/pub_summ.jsp?ods_key=gpg.