Navigable Area 2022 W00661 California Long Beach San Pedro Bay and Southwest Basin 25000 2022-04-20 2022-04-28 ESD-PHB-22 David Evans and Associates John M. Staly MBES Teledyne RESON SeaBat T50-R Pacific Hydrographic Branch meters Any revisions to the Descriptive Report (DR) applied during office processing are shown in red italic text. The DR is maintained as a field unit product, therefore all information and recommendations within this report are considered preliminary unless otherwise noted. The final disposition of survey data is represented in the NOAA nautical chart products. All pertinent records for this survey are archived at the National Centers for Environmental Information (NCEI) and can be retrieved via https://www.ncei.noaa.gov/. Products created during office processing were generated in NAD83 UTM 11N, MLLW. All references to other horizontal or vertical datums in this report are applicable to the processed hydrographic data provided by the field unit. North American Datum 1983 Mean Lower Low Water VDatum Projected UTM 11 2023-01-01 CC0-1.0 (External Source Data) CC0-1.0 https://creativecommons.org/publicdomain/zero/1.0/ https://creativecommons.org/publicdomain/zero/1.0/legalcode This data is licensed under a Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0). 2023-02-09 Pacific Hydrographic Branch John M. Staly, CH Project Manager David Evans and Associates PHB The purpose of this hydrographic survey is to support the POLB Harbor Sounding Program and update bathymetric maps with current data that is suitable for nautical charting updates to meet the National Oceanic and Atmospheric Administration (NOAA), Office of Coast Survey (OCS), Categorized Zone of Confidence A1 (CATZOC A1) standards. Please see the attached report for products that were created for this survey. Please see the attached report for more information about the data acquisition and processing that occurred for survey W00661. Three Dangers to Navigation were reported and registered by NDB. David Evans and Associates, Inc. - on behalf of the Port of Long Beach - This survey does meet charting specifications and is adequate to supersede prior data.