The accession contains Sediment Toxicity data collected from Gulf of Mexico, Hudson Bay, New York Bight, North American Coastline-North, and Pamlico Sound as part of National Status and Trends (NS&T) program. The data was collected from multiple ships between March 18, 1991 and March 3, 1993 by National Ocean Service, Rockville, MD. Originator's Macintosh Excel data submitted by Dr. Edward R. Long were converted to Lotus 1-2-3 Format at NODC. NOAA initiated an area-wide survey of sediment toxicity in 1991 to provide internally-consistent data on the spatial extent and severity of the toxicity. The intent of this survey was to sample all of the major regions within the study area (Hudson-Raritan Estuary, 40 N and 73 - 74 W), collect surficial fine-grained sediments, and determine the degree of toxicity of the sediments to laboratory organisms. Three toxicity tests were performed: a 10-day, solid phase survival test with the amphipod ampelisca abdita, a 48-hour, elutriate/ liquid phase test of development/survival with the larvae of the clam mulinia lateralis, and a 15-minute organic extract test of bioluminescence with the bacterium photobacterium phosphoreum (microtox test). Data obtained from the study "magnitude and extent of sediment toxicity in the Hudson-Raritan Estuary" was submitted in spreadsheet format in Macintosh Excel. The documentation includes details of the stations, methodology, and summary of results. Additional information may be obtained by contacting: the National Status and Trends (NS&T) Program which has monitored the concentrations of selected toxicants in sediments, oysters, and bottom-dwelling fish in Tampa Bay since 1986. The observation of high concentrations of some chemicals has prompted the NS&T Program to initiate an intensive survey of the biological effects of toxicants in the estuary. NOAA's assessment of the biological effects associated with toxicants in Tampa Bay was initiated with a research plan that involved analyses of three media: sediments, bivalve mollusks, and demersal fish. The sediment toxicity tests were intended to provide information based on laboratory tests in which "natural" factors would be controlled in assessing the significance of the toxicants, and to provide bioeffects information on a small spatial scale. Sediment samples for this study were collected in: Hills- borough Bay, all of Tampa Bay, Boca Ciega Bay, cockroach Bay, Terra Ceia Bay, Manatee River, Anna Maria Sound, St. Petersburg Harbor, Gulfport/Bear Creek, and Charlotte Harbor (i.e., between 27 N and 83 W). NOAA initiated an area-wide survey of sediment toxicity in 1991 to provide internally-consistent data on the spatial extent and severity of the toxicity. The intent of this survey was to sample all of the major regions within the study area (Newark Bay, and Arthur Kill and Passaic and Hackensack Rivers, 40 N and 75 W), collect surficial fine-grained sediments, and determine the degree of toxicity of the sediments to laboratory organisms these data are the results of the amphipod bioassay (with the amphipod ampelisca abdita), expressed in terms of percent survival. The documentation includes details of the stations, methodology, and summary of results. Additional information may be obtained by contacting: NOAA/ORCA/ Bioeffects Assessment Branch 7600 Sand Point Way NE Seattle, WA 98115.

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Chemical oceanographic data were collected aboard the RYAN CHOUEST in the Gulf of Mexico from 2010-07-14 to 2010-07-19 in response to the Deepwater Horizon Oil Spill event on April 20, 2010, by the Subsurface Monitoring Unit (SMU), which consisted of multiple government and corporate agencies. These data include Total Petroleum Hydrocarbons (TPH) and fluorescence. The instruments used to collect these data included fluorometer and gas chromatograph along with other physical sampling devices. More specific information about each dataset is located in their individual metadata records. This dataset also contains products created for use in real time analysis and decision support. These products may include charts, graphs, maps, plots, and GIS formatted data files. Cruise level information consisting of data management documents, cruise reports and plans, videos and pictures, and other miscellaneous documentation were gathered by the data managers. The Hydrocarbon Sensor Array data are raw and provisional.

Chemical oceanographic data were collected aboard the RYAN CHOUEST in the Gulf of Mexico from 2010-08-13 to 2010-08-23 in response to the Deepwater Horizon Oil Spill event on April 20, 2010, by the Subsurface Monitoring Unit (SMU), which consisted of multiple government and corporate agencies. These data include Total Petroleum Hydrocarbons (TPH) and fluorescence. The instruments used to collect these data included fluorometer and gas chromatograph along with other physical sampling devices. More specific information about each dataset is located in their individual metadata records. This dataset also contains products created for use in real time analysis and decision support. These products may include charts, graphs, maps, plots, and GIS formatted data files. The Hydrocarbon Sensor Array data are raw and provisional. Cruise level information consisting of data management documents, cruise reports and plans, videos and pictures, and other miscellaneous documentation were gathered by the data managers.

Chemical oceanographic data were collected aboard the RYAN CHOUEST in the Gulf of Mexico from 2010-07-28 to 2010-08-09 in response to the Deepwater Horizon Oil Spill event on April 20, 2010, by the Subsurface Monitoring Unit (SMU), which consisted of multiple government and corporate agencies. These data include Total Petroleum Hydrocarbons (TPH) and fluorescence. The instruments used to collect these data included fluorometer and gas chromatograph along with other physical sampling devices. More specific information about each dataset is located in their individual metadata records. This dataset also contains products created for use in real time analysis and decision support. These products may include charts, graphs, maps, plots, and GIS formatted data files. Cruise level information consisting of data management documents, cruise reports and plans, videos and pictures, and other miscellaneous documentation were gathered by the data managers. The Hydrocarbon Sensor Array data are raw and provisional.

Chemical oceanographic data were collected aboard the RYAN CHOUEST in the Gulf of Mexico from 2010-06-05 to 2010-06-07 in response to the Deepwater Horizon Oil Spill event on April 20, 2010, by the Subsurface Monitoring Unit (SMU), which consisted of multiple government and corporate agencies. These data include Total Petroleum Hydrocarbons (TPH) and fluorescence. The instruments used to collect these data included fluorometer and gas chromatograph along with other physical sampling devices. More specific information about each dataset is located in their individual metadata records. This dataset also contains products created for use in real time analysis and decision support. These products may include charts, graphs, maps, plots, and GIS formatted data files. Cruise level information consisting of data management documents, cruise reports and plans, videos and pictures, and other miscellaneous documentation were gathered by the data managers. The Hydrocarbon Sensor Array data are raw and provisional.

Chemical oceanographic data were collected aboard the RYAN CHOUEST in the Gulf of Mexico from 2010-06-07 to 2010-06-09 in response to the Deepwater Horizon Oil Spill event on April 20, 2010, by the Subsurface Monitoring Unit (SMU), which consisted of multiple government and corporate agencies. These data include Total Petroleum Hydrocarbons (TPH) and fluorescence. The instruments used to collect these data included fluorometer and gas chromatograph along with other physical sampling devices. More specific information about each dataset is located in their individual metadata records. This dataset also contains products created for use in real time analysis and decision support. These products may include charts, graphs, maps, plots, and GIS formatted data files. Cruise level information consisting of data management documents, cruise reports and plans, videos and pictures, and other miscellaneous documentation were gathered by the data managers. The Hydrocarbon Sensor Array data are raw and provisional.