Oil Pollution Risk Assessment

Marine Technology Reporter
Friday, September 27, 2013

NOAA ID’s Lurking Enviro Threats

A new NOAA report that examines national oil pollution threat from shipwrecks has been presented to the U.S. Coast Guard. With as many as 20,000 recorded shipwrecks in NOAA’s database, the May 2013 report finds that just 36 sunken vessels scattered across the U.S. seafloor could pose an oil pollution threat to the nation’s coastal marine resources. Of those, 17 were recommended for further assessment and potential removal of both fuel oil and oil cargo. Based on vessel contents, condition, environmental sensitivity and other factors, NOAA has determined that six vessels are high priority for a Most Probable (10%) discharge, and 36 are high priority for a Worst Case Discharge (Table ES-1).
NOAA’s Remediation of Underwater Legacy Environmental Threats (RULET) project identifies the location and nature of potential sources of oil pollution. Knowing where these vessels are helps oil response planning efforts and may help in the investigation of mystery spills - sightings of oil where a source is not immediately known. In 2010, Congress appropriated $1 million for NOAA to develop a list of the most significant potentially polluting wrecks in U.S. waters, specifically addressing ecological and socioeconomic resources at risk. Those funds were not intended for oil or vessel removal. NOAA maintains the internal Resources and UnderSea Threats (RUST) database of as many as 30,000 sites of sunken material. Initial screening of these shipwrecks revealed 573 that could pose substantial pollution risks.

Based on the NOAA report, there is plenty of business out there – literally lurking just under the surface. 
http://sanctuaries.noaa.gov/protect/ppw/pdfs/2013_potentiallypollutingwrecks.pdf

(As published in the September 2013 edition of Marine Technologies - www.seadiscovery.com)

This includes vessels built after 1891, when U.S. vessels began using fuel oil; vessels over 1,000 gross tons and built of steel, and tank vessels. Additional research narrowed that number to 107.
To prioritize and determine which vessels are candidates for further evaluation, NOAA used a series of risk factors to assess the likelihood of oil remaining onboard, and the potential environmental impact if that oil spills. NOAA used risk factors to assess physical integrity and pollution potential as well as other factors that may impact potential removal operations. Risk factors included total oil volume on board; oil type; if the wreck was reported to have been cleared as a hazard to navigation or demolished; if significant amount of oil was lost during the casualty, and the nature of the casualty that would reduce the amount of oil onboard. Factors impacting operations were wreck orientation on seafloor, depth, visual or remote sensing confirmation of conditions; other hazardous materials onboard, if munitions were onboard, and if the wreck is of historic significance and will require special handling. Each factor was also assigned a data quality rating. At the end of the evaluation, each vessel was given an overall vessel risk score of High, Medium, or Low. After this third level of screening, 87 wrecks remained on the priority list.
Oil discharges from shipwrecks are typically in the “Most Probable” category or smaller. Funding for any assessment or recovery operations determined to be necessary is dependent on unique circumstances for the wreck. If a wreck still has an identifiable owner, that owner is responsible for the cost of cleanup. If no responsible party exists, the Oil Spill Liability Trust Fund would likely be accessed. Selecting any vessel for proactive response requires further analysis including spill trajectory studies and monitoring or oil removal feasibility studies. While the salvage industry and oil spill response organizations have demonstrated great advancements in underwater oil removal technologies, in many cases the best alternative may not be removal of oil, but rather to monitor the wreck and plan for potential spills. The cost of removing oil from a wreck varies widely, depending on conditions and as depicted in Table 4-4 (on page 12)

(As published in the September 2013 edition of Marine Technologies - www.seadiscovery.com).

Maritime Reporter March 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Tanker Trends

NORDEN CEO: Bulk Market Challenges to Continue

Klaus Nyborg, interim CEO at Denmark-based dry bulk and product tanker shipping company Dampskibsselskabet NORDEN A/S, expects difficult dry cargo market conditions

Helios LPG Pool to Start Operating

Dorian LPG Ltd. today announced the commencement of operations of Helios LPG Pool LLC on April 1st, 2015.  Helios LPG is jointly run by Dorian LPG and Phoenix Tankers Pte.

Stolt-Nielsen Completes Bond Issues

Stolt-Nielsen Limited announced the placement of senior unsecured bonds in a total amount of NOK 1,100 million in a new five-year bond issue carrying a coupon of 3M NIBOR plus 4.

Environmental

USCG Conducting Ice Flushing Operations

The Coast Guard cutter fleet is flushing ice through the Great Lakes river systems to prevent ice jams and facilitate commercial shipping as the shipping season

Nations Convene for Arctic Maritime Discussion

Citing an increasing need to ensure safety, security and stewardship of Arctic waters, member countries of the Arctic Council gathered at U.S. Coast Guard Headquarters

Rolls-Royce Propulsion for Polar Research Vessel

Rolls-Royce informs it has been awarded a contract by shipbuilder Fincantieri to supply a fully integrated propulsion system for Norway’s new Polar Research Vessel,

Salvage

Salvage, Wreck Removal Beset with Chronic Problems

The basic nature of maritime casualties, salvage and wreck removal has evolved rapidly over the last few years. Ships and offshore constructions have become more technologically elaborate,

EALs & Oil Spill Remediation

EALs & Oil Spill Remediation: The Effects of EALs on Oil Spill and Discharge Reporting and Remediation In the wake of increased environmental scrutiny and potentially expanding liability issues,

Ship Salvage in the Presence of WWII Era Torpedo & Mines

T&T Salvage continues to support shipowners with prompt, safe and cost-effective solutions to complex salvage, wreck removal, and anti-pollution challenges.  A comprehensive management team,

Coast Guard

Mediterranean Rescue Operations Strain Shipping

The Wall Street Journal ran a story yesterday describing how the increasing number of seaborne migrants making the journey from Africa to Europe has not only

Greek Ferry Still Stuck

The Greek ferry that ran aground just outside of port on the Aegean Island of Kassos Wednesday night is still stuck. The 227 passengers and 55 crew aboard the

USCG Conducting Ice Flushing Operations

The Coast Guard cutter fleet is flushing ice through the Great Lakes river systems to prevent ice jams and facilitate commercial shipping as the shipping season

Subsea Salvage

Salvage, Wreck Removal Beset with Chronic Problems

The basic nature of maritime casualties, salvage and wreck removal has evolved rapidly over the last few years. Ships and offshore constructions have become more technologically elaborate,

Moskito to Recover Oil from Sunken Wrecks

A tool for removing oil in submerged vessels was developed in Norway by Miko Marine. Moskito is designed to address the pollution threat that exists with the

Rolls-Royce to Supply Engines for First Seabed Mining Vessel

Rolls-Royce has secured a landmark agreement to supply six of its new B33:45 medium-speed diesel generator sets to China’s Fuijan Mawei shipyard for configuration

 
 
Maritime Security Navigation Offshore Oil Pipelines Pod Propulsion Salvage Ship Electronics Ship Repair Shipbuilding / Vessel Construction Sonar
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.3921 sec (3 req/sec)