National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Sola Optical USA, Inc. Superfund Site
The Environmental Protection Agency (EPA) Region 9 announces the deletion of the Sola Optical USA, Inc. Superfund Site (Site) located in Petaluma, California, from the National Priorities List (NPL). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The EPA and the State of California, through the California Regional Water Quality Control BoardSan Francisco Bay Region, have determined that all appropriate response actions under CERCLA have been completed. However, this deletion does not preclude future actions under Superfund.
Best Practices for Continuous Monitoring of Temperature and Flow in Wadeable Streams
EPA is announcing a 30-day public comment period for the draft document titled, ``Best Practices for Continuous Monitoring of Temperature and Flow in Wadeable Streams'' (EPA/600/R-13/170). The EPA also is announcing that either ERG or Versar, EPA contractors for external scientific peer review, will select an independent group of experts to conduct a letter peer review of the draft document. The document was prepared by the National Center for Environmental Assessment (NCEA) within EPA's Office of Research and Development. The report describes best practices for the deployment of continuous temperature and flow sensors in wadeable streams. This document addresses questions related to equipment needs, configuration, placement, installation techniques, data retrieval, and data processing. EPA is releasing the draft report for the purposes of public comment and peer review. The draft document is available via the Internet on the NCEA home page under the Recent Additions and the Data and Publications menus at www.epa.gov/ncea. This draft report is not final as described in EPA's information quality guidelines, and does not represent and should not be construed to represent Agency policy or views. EPA intends to forward the public comments that are submitted in accordance with this notice to the external peer reviewers for their consideration during the letter review. When finalizing the draft document, EPA intends to consider any public comments that EPA receives in accordance with this notice.