ISU Pollution Prevention Survey highlights environmental benefit of salvage industry

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Members of the International Salvage Union (ISU) provided 226 services to vessels carrying 2.6 million tonnes of potentially polluting cargo and fuel during operations in 2021. It demonstrates the critical role of professional salvors in protecting the marine environment. The data come from the results of the ISU’s Annual Pollution Prevention Survey for operations in 2021.

President of the ISU, Capt. Nicholas Sloane (pictured) said: “The shipping industry knows only too well that it is under the spotlight for its environmental performance: both for the environmental impact of operating ships and for the threat they, and their cargo, present to the environment. All casualties have the potential to develop into serious incidents and, in a world where even the smallest amount of pollution is unacceptable, the work of our members is essential.

“The most eye-catching number in these results is for containers. ISU members provided services to vessels carrying more than 100,000 TEU amounting to more than 1.5 million tonnes of cargo. The mixed nature of such cargoes – including dangerous goods, harmful chemicals, plastic pellets – means that they are potentially highly polluting and difficult and dangerous to deal with.”

Capt. Sloane added: “Shipowners and insurers are increasingly under pressure to demonstrate their ESG credentials (Environmental, Social and Governance) and, where engaged, ISU members play an important role in helping them to meet their environmental obligations and demonstrate their commitment. Continued global provision of the professional salvage services offered by members of the ISU is essential.”
Crude oil cargo was relatively low in 2021 at 103,408 tonnes while cargoes of refined oil products rose to 182,232 tonnes. Chemical cargoes fell significantly to 24,126 tonnes in 2021. The number of containers involved in ISU members’ services in 2021 climbed dramatically to 103,935 TEU equating to some to 1,559,025 tonnes (allowing a nominal 15 tonnes per TEU.)

Bulk cargoes decreased significantly to 424,719 tonnes in 2021 compared to 744,246 tonnes last time. This category includes products such as coal, scrap steel, grains, soya and cement. A number of bulk cargoes are not included as potential pollutants and ISU members also provided services to bulkers carrying 209,475 tonnes of non-hazardous dry bulk – mainly metal ores.

Eleven cases had more that 2000 tonnes of bunkers on board and the total of bunkers involved was 89,456 tonnes. An increased number of the services noted in the survey did not record the quantity of bunkers or the cargo type.

ISU is clear that not all these potential pollutants were at immediate risk of going into the sea. Some cases will have had limited danger, but many others will have carried a real risk of causing substantial environmental damage.

The 226 services in 2021 included 30 wreck removal/marine services contracts; 26 Lloyd’s Open Forms. 52 towage contracts; 15 Japanese Forms; 8 Fixed Price and Lump Sum contracts; 27 Day Rate contracts; 44 other contracts and 24 Turkish Forms.

The survey was first conducted by ISU in 1994 and the methodology was updated in 2014 to include a wider range of potential pollutants including containers and hazardous and dirty bulk cargoes. In the period 1994 to end-2021, ISU members have provided services to casualty vessels carrying 38,872,986 tonnes of potential pollutants, an average of 1.4 million tonnes per year.

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