Science Inventory

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In-situ burning (ISB) is the controlled burning of oil spilled from a vessel or pipeline. There were multiple ISB events after the Deepwater Horizon oil spill on April 20, 2010, including 410 ISBs conducted by the Coast Guard [1]. Proponents of ISB suggest that it offers a rapid ...

Oil spill chemical treating agents, such as dispersants, surface washing agents, and chemical herders, expand the range of response options available to decision-makers during oil spills. Due to the response actions and reliance on chemical dispersants during the Deepwater Horizo...

The Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR) will provide high temporal frequency observations of the United States coastal waters. The spatial, temporal, and radiometric resolutions of GLIMR are evaluated and compared to other satellites typically used fo...

The Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR) will provide unique high temporal frequency observations of the United States coastal waters to quantify processes that vary on short temporal and spatial scales. The frequency and coverage of observations from ...

Surface washing agents (SWAs) are a large diverse class of oil spill response products intended to facilitate removal of stranded oil from shorelines. This class of agents has high application rates relative to other categories of spill response products, but global toxicity data...

Laboratory toxicity testing is a key tool used in oil spill science, spill effects assessment, and mitigation strategy decisions to minimize environmental impacts. A major challenge in oil toxicity testing is how to replicate real-world spill conditions, oil types, weathering sta...

U.S. freshwater systems. This research supports federal, state, tribal, and local partners in their monitoring efforts to assess water quality to protect aquatic and human health. The mission of the CyAN project is to support the environmental management and public use of U.S. la...

Laboratory preparation of aqueous test media for toxicity testing is critical in developing information needed for oil spill response decision-making.  Multiple methods have been used to prepare physically and chemically dispersed oils which influence test outcome, interpretation...

CyAN is a multi-agency project to develop an early warning indicator system to detect algal blooms in U.S. freshwater systems. This research supports federal, state, tribal, and local partners in their monitoring efforts to assess water quality to protect aquatic and human health...

CyAN is a multi-agency project to develop an early warning indicator system to detect algal blooms in U.S. freshwater systems. This research supports federal, state, tribal, and local partners in their monitoring efforts to assess water quality to protect aquatic and human health...

CyAN is a multi-agency project to develop an early warning indicator system to detect algal blooms in U.S. freshwater systems. This research supports federal, state, tribal, and local partners in their monitoring efforts to assess water quality to protect aquatic and human health...

Satellites can be used for water quality monitoring and provide social economic benefits such as early warnings related to health and cost savings. Here, we overview satellite applications for oil spill events, seagrass habitat, and harmful algal blooms. This review covers a rang...

Photo-induced toxicity of petroleum products and polycyclic aromatic compounds (PACs) is the enhanced toxicity caused by their interaction with ultraviolet radiation and occurs by two distinct mechanisms: photosensitization and photomodification. Laboratory approaches for designi...

EPA ORD was awarded a funds-in multi year CRADA with the Canadian Government.  The CRADA is entitled Oil Spill Alternative Response Measures: Toxicity and Biodegradation of Treated Petroleum Oils. This is the Final Summary Report of ORD efforts. The Canadian government requires a...

Accidental oil spills can result in catastrophic ecological insults and therefore require rapid intervention to mitigate the potential impacts to aquatic ecosystems. One of the largest oil spills, known as the Deepwater Horizon oil spill, occurred in the Spring of 2010 near the c...

Oil spill monitoring efforts below the air-water interface have been vastly improved by advances with in situ optical sensors and vehicle platform technology.  Optical techniques using fluorescence, scattering, and holography offer a means to determine dissolved versus dropl...

Photo-induced toxicity of petroleum products and polycyclic aromatic compounds (PACs) is the enhanced toxicity caused by their interaction with ultraviolet radiation and occurs by two distinct mechanisms: photosensitization and photomodification. Laboratory approaches for designi...

Extraction of petroleum oil resources may result in oil spills in the aquatic environment. Active and passive satellites are generally limited in either spatial coverage, temporal revisit periods, or spatial resolution when tracking surface oil slicks. PlanetScope passive sa...

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Tracking the subsea oil plume during the 2010 Deepwater Horizon Oil Spill (DWH) was conducted using in situ fluorescence via vertical profilers (n = 1157) and discrete sample chemical analyses (n = 7665). During monitoring efforts, discrete samples provided a coarse picture of th...

Tracking the subsea oil plume during the 2010 Deepwater Horizon Oil Spill (DWH) was conducted using in situ fluorescence via vertical profilers (n=1,157) and discrete sample chemical analyses (n=7,665). During monitoring efforts, discrete samples provided a coarse picture of the ...

Preparing for and responding to inland oil spills requires an understanding of the hazards and ecological risks of using spill response agents in freshwater environments. The majority of oil products and spill response agents have insufficient toxicity data for assessing hazards ...

A newly developed water sampler allows rapid autonomous detection and sampling of underwater hydrocarbon plumes. The new modular sampler collects multiple 1-liter samples of seawater, when preset criteria are met, during autonomous surveys of underwater hydrocarbon plumes. The sa...

Emissions from in situ oil burning in the presence of ice-laden fresh water were measured at the U.S. Army Engineer Research and Development Center (ERDC) Cold Regions Research Engineering Laboratory (CRREL) in Hanover, New Hampshire over a three-day period in April 2021. The U.S...

Simulated in situ oil burning tests were conducted in a 14 m × 2.4 m × 2.4 m tank to characterize variations in boom length/width aspect ratios, the use of injection air, nozzle angle, and presence or absence of waves on combustion efficiency. Tests were don...