April 2, 1989 – Exxon Valdez: Disaster A Week Later – Learning In America – Women Of Northern Ireland.

The Cleanup – An Oil spill with long-lasting consequences.

April 2nd came on a Sunday in 1989. And on that particular Sunday the focus was still over the on-going disaster and its aftermath from the oil spill from the Tanker Exxon Valdez.

The Exxon Valdez oil spill was a major environmental disaster that occurred in Alaska‘s Prince William Sound on March 24, 1989. The spill occurred when Exxon Valdez, an oil supertanker owned by Exxon Shipping Company, bound for Long Beach, California, struck Prince William Sound‘s Bligh Reef, 6 mi (9.7 km) west of Tatitlek, Alaska, at 12:04 a.m. The tanker spilled more than 10 million US gallons (240,000 bbl) (or 37,000 tonnes) of crude oil over the next few days.

The Exxon Valdez spill is the second largest in U.S. waters, after the 2010 Deepwater Horizon oil spill, in terms of volume of oil released. It is the costliest disaster ever with no direct human fatalities. Prince William Sound’s remote location, accessible only by helicopter, plane, or boat, made government and industry response efforts difficult and made existing response plans especially hard to implement. The region is a habitat for salmon, sea otters, seals, and seabirds. The oil, extracted from the Prudhoe Bay Oil Field, eventually affected 1,300 miles (2,100 km) of coastline, of which 200 miles (320 km) were heavily or moderately oiled.

At the time, the conversation was about the efforts to clean up the coast and what the long-term affects would be; how was the environment going to be impacted? Will the waters ever be as pristine as they were before? Would the damage still be felt decades later? It was already clear the toll on wildlife was considerable with the death toll of birds alone in the thousands.

Though the clean-up effort was diligent, it failed to contain the majority of the oil that had spilled, and that has been blamed heavily upon Exxon. On November 26, 1984, Ronald A. Kreizenbeck (Director, Alaska Operations Office) informed the Coast Guard that the EPA suspected, due to a recent site-visitation during an ‘Annual Marine Drill’, that the Port of Valdez was not prepared to “efficiently respond to a major spill event”. In the letter, he stated that “[it] appears that the Vikoma boom and/or deployment vessels used may not be adequate to handle the harsh environmental conditions of Port Valdez”. Because Prince William Sound contained many rocky coves where the oil was collected, the decision was made to displace it with high-pressure hot water. However, this also displaced and destroyed the microbial populations on the shoreline; many of these organisms (e.g. plankton) are the basis of the coastal marine food chain, and others (e.g., certain bacteria and fungi) are capable of facilitating the biodegradation of oil. At the time, both scientific advice and public pressure was to clean everything, but since then, a much greater understanding of natural and facilitated remediation processes has developed, due somewhat in part to the opportunity presented for study by the Exxon Valdez spill.

Both long-term and short-term effects of the oil spill have been studied. Immediate effects include the deaths of between 100,000 and 250,000 seabirds, at least 2,800 sea otters, approximately 12 river otters, 300 harbor seals, 247 bald eagles, and 22 orcas, and an unknown number of salmon and herring.

Nine years after the disaster, evidence of negative oil spill effects on marine birds was found in the following species: cormorants, goldeneyes, mergansers, murres and pigeon guillemots.

Although the volume of oil has declined considerably, with oil remaining only about 0.14–0.28% of the original spilled volume, studies suggest that the area of oiled beach has changed little since 1992. A study by the National Marine Fisheries Service, NOAA in Juneau, determined that by 2001 approximately 90 tonnes of oil remained on beaches in Prince William Sound in the sandy soil of the contaminated shoreline, with annual loss rates declining from 68% per year prior to 1992, to 4% per year after 2001.

The remaining oil lasting far longer than anticipated has resulted in more long-term losses of species than had been expected. Laboratory experiments found that at levels as low as one part per billion, polycyclic aromatic hydrocarbons are toxic for salmon and herring eggs. Species as diverse as sea otters, harlequin ducks, and orcas suffered immediate and long-term losses. Oiled mussel beds and other tidal shoreline habitats may take up to 30 years to recover.

Also on this broadcast of Newsmark from CBS Radio News, a discussion regarding the state of Education in America in 1989 as well as discussion over the affect the situation in Northern Ireland was having on the women of Belfast.

Here is that episode of Newsmark, hosted by correspondent Judy Muller on April 2, 1989.

Special thanks to Wikipedia for background research on the Exxon Valdez disaster.